./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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/lcm2_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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-a9b967e-m [2024-09-11 20:51:21,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:21,167 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:21,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:21,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:21,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:21,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:21,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:21,202 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:21,203 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:21,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:21,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:21,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:21,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:21,206 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:21,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:21,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:21,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:21,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:21,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:21,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:21,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:21,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:21,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:21,210 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:21,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:21,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:21,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:21,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:21,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:21,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:21,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:21,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:21,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:21,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:21,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:21,212 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:21,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:21,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:21,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:21,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:21,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:21,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:21,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:21,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:21,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:21,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:21,411 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:21,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-11 20:51:22,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:22,831 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:22,832 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-11 20:51:22,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8953c59b0/b2257ad5c2544dec86fbcaf25fd611e0/FLAG29bfafa69 [2024-09-11 20:51:22,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8953c59b0/b2257ad5c2544dec86fbcaf25fd611e0 [2024-09-11 20:51:22,856 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:22,857 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:22,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-11 20:51:22,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:22,900 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:22,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:22,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:22,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:22,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:22" (1/2) ... [2024-09-11 20:51:22,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0275d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:22, skipping insertion in model container [2024-09-11 20:51:22,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:22" (1/2) ... [2024-09-11 20:51:22,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70a699ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:22, skipping insertion in model container [2024-09-11 20:51:22,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:22" (2/2) ... [2024-09-11 20:51:22,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0275d7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:22, skipping insertion in model container [2024-09-11 20:51:22,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:22" (2/2) ... [2024-09-11 20:51:22,916 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:22,918 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) && ((a % 4294967296) <= 65535)) [2024-09-11 20:51:22,919 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:22,919 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:22,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:23,056 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/lcm2_valuebound50.c[537,550] [2024-09-11 20:51:23,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:23,107 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:23,183 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/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-09-11 20:51:23,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:23,222 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:23,223 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:23 WrapperNode [2024-09-11 20:51:23,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:23,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:23,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:23,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:23,246 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,250 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,258 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,274 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 [2024-09-11 20:51:23,275 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,275 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,278 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,288 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,289 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,290 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:23,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:23,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:23,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:23,296 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 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:23,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:23,339 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) [2024-09-11 20:51:23,341 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 [2024-09-11 20:51:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:23,456 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:23,459 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:23,617 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:23,670 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:23,671 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:23,690 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:23,690 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:23,691 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:23 BoogieIcfgContainer [2024-09-11 20:51:23,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:23,691 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:23,691 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:23,692 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:23,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:22" (1/4) ... [2024-09-11 20:51:23,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55c6c673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,693 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:22" (2/4) ... [2024-09-11 20:51:23,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55c6c673 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,693 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 11.09 08:51:23" (3/4) ... [2024-09-11 20:51:23,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55c6c673 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,693 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:23" (4/4) ... [2024-09-11 20:51:23,694 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-11 20:51:23,697 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:23,698 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:23,698 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:23,698 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:23,698 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:23,698 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:23,698 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:51:23,699 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:23,699 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:51:23,732 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:23,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,741 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:23,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:23,757 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:23,775 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:23,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,794 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:23,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,795 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,795 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,795 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:23,800 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:23,813 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:23,813 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,813 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,813 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,814 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,819 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:23,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:23,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:23,820 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:23,820 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:23,820 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:27,823 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:27,836 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:27,837 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:27,837 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:27,837 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:27,837 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:27,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,839 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:27,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:27,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:27,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:27,841 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:27,842 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:27,851 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:27,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:27,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:27,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:27,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:27,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,852 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:27,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:27,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:27,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:27,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:27,854 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:27,862 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:27,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:27,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:27,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:27,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:27,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,874 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:27,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,875 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:27,875 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:27,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:27,875 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:27,876 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:27,885 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:27,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:27,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:27,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:27,886 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:27,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,908 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:27,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:27,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:27,909 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:27,909 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:27,914 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:31,917 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:31,927 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:31,929 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55c6c673 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:31, skipping insertion in model container [2024-09-11 20:51:31,930 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:31,931 INFO L158 Benchmark]: Toolchain (without parser) took 9030.80ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 63.1MB in the beginning and 87.1MB in the end (delta: -24.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,932 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:31,932 INFO L158 Benchmark]: Witness Parser took 1.48ms. Allocated memory is still 138.4MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:31,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.22ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 62.9MB in the beginning and 152.3MB in the end (delta: -89.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,934 INFO L158 Benchmark]: Boogie Preprocessor took 67.83ms. Allocated memory is still 184.5MB. Free memory was 152.3MB in the beginning and 150.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,935 INFO L158 Benchmark]: RCFGBuilder took 398.91ms. Allocated memory is still 184.5MB. Free memory was 150.2MB in the beginning and 133.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,935 INFO L158 Benchmark]: Referee took 8238.47ms. Allocated memory is still 184.5MB. Free memory was 133.3MB in the beginning and 87.1MB in the end (delta: 46.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,937 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 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 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 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.48ms. Allocated memory is still 138.4MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.22ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 62.9MB in the beginning and 152.3MB in the end (delta: -89.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.83ms. Allocated memory is still 184.5MB. Free memory was 152.3MB in the beginning and 150.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.91ms. Allocated memory is still 184.5MB. Free memory was 150.2MB in the beginning and 133.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8238.47ms. Allocated memory is still 184.5MB. Free memory was 133.3MB in the beginning and 87.1MB in the end (delta: 46.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:31,966 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/lcm2_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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-dev-a9b967e-m [2024-09-11 20:51:34,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:34,101 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:34,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:34,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:34,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:34,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:34,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:34,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:34,123 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:34,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:34,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:34,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:34,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:34,124 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:34,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:34,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:34,125 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:34,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:34,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:34,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:34,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:34,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:34,130 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:34,130 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:34,130 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:34,130 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:34,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:34,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:34,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:34,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:34,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:34,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:34,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:34,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:34,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:34,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:34,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:34,135 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:34,135 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:34,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:34,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:34,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:34,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:34,136 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:34,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:34,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:34,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:34,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:34,388 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:34,389 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:34,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-11 20:51:34,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:34,463 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:34,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-11 20:51:35,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:36,058 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:36,062 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-11 20:51:36,068 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4c5293181/6a6a3f92261c4018a232cdc34f1d13e4/FLAG53431ccd0 [2024-09-11 20:51:36,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4c5293181/6a6a3f92261c4018a232cdc34f1d13e4 [2024-09-11 20:51:36,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:36,087 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:36,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:36,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:36,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:36,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:34" (1/2) ... [2024-09-11 20:51:36,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb77f5d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:34" (1/2) ... [2024-09-11 20:51:36,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25c70e09 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:36" (2/2) ... [2024-09-11 20:51:36,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb77f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:36" (2/2) ... [2024-09-11 20:51:36,107 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:36,107 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) && ((a % 4294967296) <= 65535)) [2024-09-11 20:51:36,107 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:36,107 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:36,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:36,262 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/lcm2_valuebound50.c[537,550] [2024-09-11 20:51:36,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:36,288 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:36,331 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/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-09-11 20:51:36,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:36,360 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:36,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36 WrapperNode [2024-09-11 20:51:36,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:36,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:36,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:36,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:36,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,381 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,392 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 [2024-09-11 20:51:36,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:36,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:36,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:36,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:36,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (1/1) ... [2024-09-11 20:51:36,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:36,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:36,443 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) [2024-09-11 20:51:36,446 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 [2024-09-11 20:51:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:36,546 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:36,549 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:36,869 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:36,919 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:36,919 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:36,953 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:36,953 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:36,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:36 BoogieIcfgContainer [2024-09-11 20:51:36,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:36,954 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:36,954 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:36,955 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:36,955 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:34" (1/4) ... [2024-09-11 20:51:36,955 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a754d36 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,955 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:36" (2/4) ... [2024-09-11 20:51:36,955 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a754d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,956 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:36" (3/4) ... [2024-09-11 20:51:36,956 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a754d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,956 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:36" (4/4) ... [2024-09-11 20:51:36,958 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-11 20:51:36,964 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:36,964 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:36,964 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:36,964 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:36,965 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:36,965 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:36,965 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:51:36,965 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:36,965 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:51:37,006 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:37,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:37,007 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:37,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:37,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:37,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:37,015 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:37,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:37,016 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:37,016 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:37,016 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:37,018 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:37,029 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:37,045 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:37,045 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:37,045 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:37,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:37,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:37,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:37,056 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:37,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:37,057 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:37,057 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:37,057 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:37,057 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:37,059 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:37,072 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:37,072 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:37,072 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:37,072 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:37,072 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:37,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:37,076 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:37,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:37,076 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:37,076 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:37,076 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:37,077 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:41,092 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:41,113 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:41,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:41,114 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:41,114 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:41,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:41,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,116 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:41,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:41,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:41,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:41,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:41,119 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:41,129 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:41,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:41,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:41,130 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:41,130 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:41,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,131 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:41,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,131 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:41,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:41,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:41,132 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:41,133 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:41,143 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:41,143 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:41,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:41,144 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:41,144 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:41,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,156 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:41,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,157 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:41,157 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:41,157 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:41,157 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:41,166 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:41,186 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:41,186 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:41,186 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:41,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:41,187 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:41,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,201 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:41,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:41,202 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:41,202 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:41,202 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:41,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:41,220 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:41,226 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:41,226 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a754d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:41, skipping insertion in model container [2024-09-11 20:51:41,226 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:41,234 INFO L158 Benchmark]: Toolchain (without parser) took 5143.05ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 55.2MB in the end (delta: -13.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:41,235 INFO L158 Benchmark]: Witness Parser took 0.82ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:41,235 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:41,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.66ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 55.5MB in the end (delta: -13.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:41,236 INFO L158 Benchmark]: Boogie Preprocessor took 55.67ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 53.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:41,236 INFO L158 Benchmark]: RCFGBuilder took 535.93ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 36.1MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:51:41,237 INFO L158 Benchmark]: Referee took 4272.47ms. Allocated memory is still 83.9MB. Free memory was 36.1MB in the beginning and 55.2MB in the end (delta: -19.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:41,239 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. 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 main to loop head at line 37. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.82ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.66ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 55.5MB in the end (delta: -13.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.67ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 53.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 535.93ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 36.1MB in the end (delta: 17.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 4272.47ms. Allocated memory is still 83.9MB. Free memory was 36.1MB in the beginning and 55.2MB in the end (delta: -19.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:41,268 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