./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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/egcd3-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:06:56,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:56,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:06:56,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:56,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:57,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:57,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:57,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:57,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:57,004 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:57,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:57,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:57,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:57,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:57,008 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:57,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:57,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:57,009 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:57,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:06:57,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:57,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:57,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:57,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:57,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:57,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:57,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:57,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:57,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:57,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:57,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:57,013 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:57,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:57,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:57,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:57,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:57,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:57,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:57,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:06:57,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:06:57,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:57,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:57,033 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:57,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:57,033 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:57,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:57,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:57,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:57,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:57,306 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:57,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-09-13 05:06:58,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:58,803 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:58,803 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-09-13 05:06:58,810 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b343ff0e6/f516055aabee443bb8c19ce7ebf613f5/FLAG30b3716a2 [2024-09-13 05:06:59,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b343ff0e6/f516055aabee443bb8c19ce7ebf613f5 [2024-09-13 05:06:59,196 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:59,197 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:59,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.yml/witness-2.1.yml [2024-09-13 05:06:59,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:59,255 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:59,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:59,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:59,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:59,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:59" (1/2) ... [2024-09-13 05:06:59,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695928cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:59, skipping insertion in model container [2024-09-13 05:06:59,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:59" (1/2) ... [2024-09-13 05:06:59,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27fe6dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:59, skipping insertion in model container [2024-09-13 05:06:59,265 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 05:06:59" (2/2) ... [2024-09-13 05:06:59,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695928cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:59, skipping insertion in model container [2024-09-13 05:06:59,268 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 05:06:59" (2/2) ... [2024-09-13 05:06:59,279 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:59,279 INFO L1541 ArrayList]: Loop invariant at [L49-L59] (((((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (k == 0)) && (r == 1)) && (c == 2)) && (v == 1)) && (x == 1)) && (d == 1)) && (a == 2)) && (q == 1)) || (((((((((((((v == ((__int128) d * b)) && (r == 0)) && (k == 0)) && (v <= c)) && (s == 1)) && (b == y)) && (b <= c)) && (q == 0)) && (1 <= y)) && (a == x)) && (c == x)) && (x <= 2)) && (p == 1))) || (((((((((((((y == 2) && (b == 1)) && (v <= 1)) && (s == 0)) && (p == 0)) && (k == 0)) && (r == 1)) && (c == 2)) && (x == 1)) && ((d % 2) == 0)) && (a == 2)) && (q == 1)) && (d == v))) || ((((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (k == 0)) && (r == 1)) && (c == 2)) && (x == 1)) && (v == 2)) && (d == 2)) && (a == 2)) && (q == 1))) [2024-09-13 05:06:59,280 INFO L1541 ArrayList]: Loop invariant at [L35-L73] ((((((((((b == 1) && (s == 0)) && (p == 0)) && (r == 1)) && (a == y)) && (x == 1)) && (a == 2)) && (q == 1)) || ((((((((1 <= x) && (y <= 2)) && (b == 0)) && (((((__int128) q * x) + a) + ((__int128) y * s)) == (((__int128) y * r) + ((__int128) p * x)))) && (a == (((__int128) y * r) + ((__int128) p * x)))) && (1 <= a)) && (1 <= y)) && (x <= 2))) || ((((((((((r == 0) && (y <= 2)) && (s == 1)) && (1 <= a)) && (b == y)) && (q == 0)) && (1 <= y)) && (a == x)) && (x <= 2)) && (p == 1))) [2024-09-13 05:06:59,280 INFO L1541 ArrayList]: Loop invariant at [L42-L62] ((((((((((((((r == 0) && (s == 1)) && (((__int128) c + 1) <= ((__int128) b * 2))) && (1 <= a)) && (b == y)) && (q == 0)) && (c == 0)) && (a == x)) && ((y + ((__int128) k * y)) == (b + x))) && (x <= 2)) && (p == 1)) || ((((((((((b == 1) && (s == 0)) && (p == 0)) && (k == 0)) && (r == 1)) && (a == y)) && (c == 2)) && (x == 1)) && (a == 2)) && (q == 1))) || ((((((((((((r == 0) && (y <= 2)) && (k == 0)) && (s == 1)) && (1 <= a)) && (b == y)) && (q == 0)) && (1 <= y)) && (a == x)) && (c == x)) && (x <= 2)) && (p == 1))) || ((((((((((y == 2) && (b == 1)) && (s == 0)) && (p == 0)) && (r == 1)) && (x == 1)) && (k == 2)) && (a == 2)) && (c == 0)) && (q == 1))) [2024-09-13 05:06:59,280 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:06:59,281 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:59,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:59,458 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/egcd3-ll_valuebound2.c[490,503] [2024-09-13 05:06:59,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:59,501 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:06:59,545 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/egcd3-ll_valuebound2.c[490,503] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:06:59,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:59,596 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:59,597 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:59 WrapperNode [2024-09-13 05:06:59,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:59,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:59,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:59,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:59,611 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,611 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,618 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,627 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 05:06:59,631 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,631 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,643 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,650 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,652 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,653 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:59,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:59,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:59,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:59,659 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 13.09 05:06:59" (1/1) ... [2024-09-13 05:06:59,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:59,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:59,687 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 05:06:59,696 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 05:06:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:06:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:59,863 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:59,866 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:07:00,141 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:07:00,157 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:07:00,183 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:07:00,183 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-13 05:07:00,183 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:07:00 BoogieIcfgContainer [2024-09-13 05:07:00,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:07:00,184 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:07:00,184 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:07:00,185 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:07:00,185 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:59" (1/4) ... [2024-09-13 05:07:00,185 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@34faf8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:07:00, skipping insertion in model container [2024-09-13 05:07:00,185 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 05:06:59" (2/4) ... [2024-09-13 05:07:00,186 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@34faf8bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:07:00, skipping insertion in model container [2024-09-13 05:07:00,186 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 13.09 05:06:59" (3/4) ... [2024-09-13 05:07:00,186 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@34faf8bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:07:00, skipping insertion in model container [2024-09-13 05:07:00,187 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:07:00" (4/4) ... [2024-09-13 05:07:00,188 INFO L79 RefereeObserver]: Analyzing ICFG egcd3-ll_valuebound2.c [2024-09-13 05:07:00,192 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-13 05:07:00,193 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 05:07:00,193 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:07:00,193 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:07:00,193 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:07:00,194 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:07:00,196 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:07:00,196 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:07:00,196 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:07:00,197 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 05:07:00,197 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 05:07:00,197 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:07:00,197 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:07:00,197 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 05:07:00,197 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:07:00,198 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-13 05:07:00,272 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:07:00,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,273 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,274 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,275 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,283 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:07:00,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,288 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,302 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:07:00,338 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 05:07:00,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,345 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,345 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,345 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,363 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 05:07:00,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,363 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,363 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,370 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:07:00,393 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:07:00,393 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,394 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,394 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,394 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,416 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-13 05:07:00,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,417 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,417 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,417 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,425 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,433 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:07:00,459 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-13 05:07:00,460 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,460 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,460 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,460 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,470 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-13 05:07:00,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,471 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,471 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,471 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,474 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,477 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:07:00,517 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:07:00,517 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,517 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,529 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,543 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:07:00,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,543 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,543 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,543 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,544 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,548 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:07:00,566 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:07:00,567 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,567 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,567 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,568 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,577 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:07:00,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,579 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,587 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:07:00,605 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 05:07:00,606 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,606 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,606 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,606 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,625 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 05:07:00,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,627 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,630 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:07:00,647 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:07:00,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,650 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,659 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:07:00,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,660 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,660 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,660 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,660 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,665 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:07:00,683 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-13 05:07:00,683 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,683 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,683 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,683 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,708 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-13 05:07:00,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,708 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,709 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,709 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,720 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:07:00,733 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:07:00,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,737 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:07:00,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,742 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:07:00,754 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:07:00,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,764 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:07:00,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,765 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,769 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:07:00,783 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 05:07:00,783 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,783 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,783 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,783 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,804 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 05:07:00,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,811 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:07:00,829 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:07:00,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,830 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,831 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:07:00,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,832 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,832 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,834 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:07:00,846 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:07:00,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:07:00,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:07:00,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:07:00,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:07:00,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,851 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:07:00,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:07:00,851 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:07:00,851 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:07:00,851 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:07:00,851 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:07:00,856 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:07:00,859 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:07:00,859 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@34faf8bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:07:00, skipping insertion in model container [2024-09-13 05:07:00,859 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:07:00,863 INFO L158 Benchmark]: Toolchain (without parser) took 1606.67ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 126.2MB in the beginning and 153.6MB in the end (delta: -27.4MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2024-09-13 05:07:00,863 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:07:00,864 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:07:00,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.08ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 110.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:07:00,865 INFO L158 Benchmark]: Boogie Preprocessor took 59.52ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 107.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:07:00,865 INFO L158 Benchmark]: RCFGBuilder took 525.39ms. Allocated memory is still 161.5MB. Free memory was 107.8MB in the beginning and 112.8MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:07:00,866 INFO L158 Benchmark]: Referee took 677.37ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 112.8MB in the beginning and 153.6MB in the end (delta: -40.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-09-13 05:07:00,872 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 entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 42. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 49. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 49. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 42. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.08ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 110.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.52ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 107.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 525.39ms. Allocated memory is still 161.5MB. Free memory was 107.8MB in the beginning and 112.8MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 677.37ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 112.8MB in the beginning and 153.6MB in the end (delta: -40.9MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:07:00,923 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE