./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:50,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:50,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:50,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:50,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:50,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:50,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:50,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:50,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:50,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:50,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:50,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:50,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:50,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:50,377 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:50,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:50,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:50,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:50,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:50,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:50,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:50,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:50,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:50,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:50,380 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:50,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:50,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:50,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:50,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:50,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:50,382 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:50,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:50,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:50,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:50,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:50,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:50,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:50,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:50,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:50,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:50,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:50,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:50,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:50,385 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:50,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:50,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:50,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:50,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:50,632 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:50,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-25 00:29:52,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:52,254 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:52,256 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-25 00:29:52,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/950b05d47/b9d12126e3d64206b364b224d367c320/FLAGe2b3ca3cd [2024-09-25 00:29:52,651 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/950b05d47/b9d12126e3d64206b364b224d367c320 [2024-09-25 00:29:52,653 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:52,654 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:52,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-25 00:29:52,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:52,703 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:52,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:52,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:52,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:52,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:52" (1/2) ... [2024-09-25 00:29:52,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f22e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:52, skipping insertion in model container [2024-09-25 00:29:52,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:52" (1/2) ... [2024-09-25 00:29:52,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3dd0ea97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:52, skipping insertion in model container [2024-09-25 00:29:52,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:52" (2/2) ... [2024-09-25 00:29:52,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f22e12 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52, skipping insertion in model container [2024-09-25 00:29:52,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:52" (2/2) ... [2024-09-25 00:29:52,719 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:52,719 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 00:29:52,719 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:52,720 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:29:52,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:52,897 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-09-25 00:29:52,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:52,920 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:52,952 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-09-25 00:29:52,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:52,977 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:52,977 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52 WrapperNode [2024-09-25 00:29:52,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:52,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:52,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:52,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:52,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:52,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:53,001 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:53,014 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:29:53,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:53,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:53,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:53,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:53,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:53,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:53,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:53,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:53,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:53,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:53,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (1/1) ... [2024-09-25 00:29:53,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:53,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:53,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:29:53,062 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:29:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:53,154 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:53,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:53,372 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:53,397 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:53,428 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:53,428 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:53,429 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:53 BoogieIcfgContainer [2024-09-25 00:29:53,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:53,430 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:53,430 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:53,431 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:53,431 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:52" (1/4) ... [2024-09-25 00:29:53,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3967211f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:53, skipping insertion in model container [2024-09-25 00:29:53,431 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:52" (2/4) ... [2024-09-25 00:29:53,432 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3967211f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:53, skipping insertion in model container [2024-09-25 00:29:53,432 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:52" (3/4) ... [2024-09-25 00:29:53,432 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3967211f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:53, skipping insertion in model container [2024-09-25 00:29:53,432 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:53" (4/4) ... [2024-09-25 00:29:53,433 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-25 00:29:53,436 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:53,436 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:53,437 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:29:53,437 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:53,437 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:53,437 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:53,437 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:29:53,438 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:53,438 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-25 00:29:53,483 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:53,484 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,484 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,485 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,486 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,500 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:53,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,502 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,503 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,506 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,526 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:53,556 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:29:53,556 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,557 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,557 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,557 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,580 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:29:53,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,581 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,587 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,590 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:53,615 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:53,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,616 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,616 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,616 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,622 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:53,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,624 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,624 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,629 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:57,656 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:57,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,662 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:57,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,666 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,668 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:57,682 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:57,683 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,683 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,683 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,683 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,685 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:57,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,686 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,686 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,686 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,688 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:57,702 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:29:57,703 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,703 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,703 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,703 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,720 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:29:57,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,721 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,724 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:57,769 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:29:57,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,769 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,769 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,769 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,800 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:29:57,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,811 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:01,821 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:01,829 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:01,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3967211f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:01, skipping insertion in model container [2024-09-25 00:30:01,829 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:01,831 INFO L158 Benchmark]: Toolchain (without parser) took 9127.47ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 113.6MB in the beginning and 194.8MB in the end (delta: -81.2MB). Peak memory consumption was 77.5MB. Max. memory is 16.1GB. [2024-09-25 00:30:01,831 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:01,832 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:01,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.22ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 99.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:01,833 INFO L158 Benchmark]: Boogie Preprocessor took 52.67ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 97.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:01,834 INFO L158 Benchmark]: RCFGBuilder took 397.41ms. Allocated memory is still 167.8MB. Free memory was 97.6MB in the beginning and 80.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:01,834 INFO L158 Benchmark]: Referee took 8399.88ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 80.1MB in the beginning and 194.8MB in the end (delta: -114.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2024-09-25 00:30:01,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.22ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 99.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.67ms. Allocated memory is still 167.8MB. Free memory was 99.7MB in the beginning and 97.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.41ms. Allocated memory is still 167.8MB. Free memory was 97.6MB in the beginning and 80.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8399.88ms. Allocated memory was 167.8MB in the beginning and 234.9MB in the end (delta: 67.1MB). Free memory was 80.1MB in the beginning and 194.8MB in the end (delta: -114.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:01,859 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:04,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:04,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:04,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:04,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:04,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:04,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:04,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:04,226 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:04,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:04,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:04,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:04,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:04,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:04,233 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:04,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:04,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:04,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:04,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:04,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:04,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:04,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:04,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:04,238 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:04,239 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:04,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:04,239 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:04,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:04,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:04,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:04,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:04,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:04,241 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:04,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:04,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:04,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:04,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:04,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:04,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:04,243 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:04,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:04,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:04,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:04,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:04,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:04,245 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:04,245 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:04,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:04,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:04,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:04,588 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:04,589 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:04,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-25 00:30:04,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:04,645 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:04,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-25 00:30:06,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:06,423 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:06,424 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-25 00:30:06,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/02dfe5d3e/2e60696a996b41e18bae6758f62fd436/FLAG081a3151b [2024-09-25 00:30:06,447 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/02dfe5d3e/2e60696a996b41e18bae6758f62fd436 [2024-09-25 00:30:06,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:06,449 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:06,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:06,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:06,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:06,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:04" (1/2) ... [2024-09-25 00:30:06,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f49a0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:06, skipping insertion in model container [2024-09-25 00:30:06,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:04" (1/2) ... [2024-09-25 00:30:06,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@512774da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:06, skipping insertion in model container [2024-09-25 00:30:06,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:06" (2/2) ... [2024-09-25 00:30:06,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f49a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06, skipping insertion in model container [2024-09-25 00:30:06,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:06" (2/2) ... [2024-09-25 00:30:06,483 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:06,484 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 00:30:06,484 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:06,485 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:30:06,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:06,666 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-09-25 00:30:06,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:06,705 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:06,745 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-09-25 00:30:06,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:06,782 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:06,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06 WrapperNode [2024-09-25 00:30:06,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:06,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:06,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:06,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:06,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,805 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,821 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:30:06,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:06,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:06,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:06,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:06,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (1/1) ... [2024-09-25 00:30:06,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:06,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:06,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:30:06,886 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:30:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:07,005 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:07,007 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:07,493 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:07,511 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:07,551 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:07,553 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:07,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:07 BoogieIcfgContainer [2024-09-25 00:30:07,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:07,555 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:07,555 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:07,556 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:07,556 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:04" (1/4) ... [2024-09-25 00:30:07,558 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7ad959de and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:07, skipping insertion in model container [2024-09-25 00:30:07,558 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:06" (2/4) ... [2024-09-25 00:30:07,558 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7ad959de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:07, skipping insertion in model container [2024-09-25 00:30:07,558 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:06" (3/4) ... [2024-09-25 00:30:07,559 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7ad959de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:07, skipping insertion in model container [2024-09-25 00:30:07,559 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:07" (4/4) ... [2024-09-25 00:30:07,563 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-25 00:30:07,570 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:07,571 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:07,571 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:30:07,572 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:07,572 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:07,572 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:07,572 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:30:07,572 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:07,572 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-25 00:30:07,635 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:07,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:07,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:07,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:07,639 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:07,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:07,650 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:07,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:07,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:07,652 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:07,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:07,657 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:07,670 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:07,691 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:30:07,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:07,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:07,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:07,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:07,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:07,722 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:30:07,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:07,724 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:07,724 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:07,724 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:07,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:07,727 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:07,757 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:07,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:07,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:07,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:07,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:07,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:07,764 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:07,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:07,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:07,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:07,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:07,765 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:11,822 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:11,850 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:11,850 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:11,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:11,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:11,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:11,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,854 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:11,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,854 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:11,854 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:11,854 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:11,855 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:11,856 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:11,873 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:11,874 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:11,874 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:11,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:11,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:11,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,876 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:11,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:11,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:11,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:11,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:11,878 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:11,890 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:30:11,890 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:11,890 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:11,891 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:11,891 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:11,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,903 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:30:11,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,903 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:11,903 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:11,904 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:11,904 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:13,216 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:13,232 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:30:13,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:13,233 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:13,233 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:13,233 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:13,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,249 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:30:13,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:13,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:13,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:13,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:13,256 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:17,372 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:17,398 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:17,398 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7ad959de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:17, skipping insertion in model container [2024-09-25 00:30:17,398 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:17,400 INFO L158 Benchmark]: Toolchain (without parser) took 10950.41ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 26.2MB in the beginning and 28.3MB in the end (delta: -2.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,401 INFO L158 Benchmark]: Witness Parser took 0.47ms. Allocated memory is still 41.9MB. Free memory was 18.8MB in the beginning and 18.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:17,401 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 62.9MB. Free memory was 46.1MB in the beginning and 46.1MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:17,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.26ms. Allocated memory is still 62.9MB. Free memory was 26.0MB in the beginning and 30.2MB in the end (delta: -4.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,402 INFO L158 Benchmark]: Boogie Preprocessor took 62.50ms. Allocated memory is still 62.9MB. Free memory was 30.2MB in the beginning and 27.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,403 INFO L158 Benchmark]: RCFGBuilder took 706.37ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 27.9MB in the beginning and 46.0MB in the end (delta: -18.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,403 INFO L158 Benchmark]: Referee took 9844.00ms. Allocated memory is still 79.7MB. Free memory was 45.6MB in the beginning and 28.3MB in the end (delta: 17.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:17,406 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. 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 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.47ms. Allocated memory is still 41.9MB. Free memory was 18.8MB in the beginning and 18.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 62.9MB. Free memory was 46.1MB in the beginning and 46.1MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.26ms. Allocated memory is still 62.9MB. Free memory was 26.0MB in the beginning and 30.2MB in the end (delta: -4.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.50ms. Allocated memory is still 62.9MB. Free memory was 30.2MB in the beginning and 27.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 706.37ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 27.9MB in the beginning and 46.0MB in the end (delta: -18.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Referee took 9844.00ms. Allocated memory is still 79.7MB. Free memory was 45.6MB in the beginning and 28.3MB in the end (delta: 17.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:17,446 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN