./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.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_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.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 20:51:19,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:19,241 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:19,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:19,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:19,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:19,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:19,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:19,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:19,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:19,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:19,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:19,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:19,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:19,285 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:19,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:19,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:19,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:19,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:19,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:19,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:19,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:19,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:19,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:19,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:19,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:19,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:19,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:19,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:19,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:19,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:19,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:19,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:19,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:19,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:19,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:19,292 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:19,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:19,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:19,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:19,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:19,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:19,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:19,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:19,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:19,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:19,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:19,608 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:19,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-11 20:51:21,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:21,272 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:21,273 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-11 20:51:21,286 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/de84ad5e2/abde96f1eacf4dd49afd446161318eae/FLAG18ed1aa9a [2024-09-11 20:51:21,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/de84ad5e2/abde96f1eacf4dd49afd446161318eae [2024-09-11 20:51:21,656 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:21,657 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:21,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-11 20:51:21,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:21,710 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:21,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:21,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:21,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:21,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:21" (1/2) ... [2024-09-11 20:51:21,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3e09fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:21" (1/2) ... [2024-09-11 20:51:21,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68b9fee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,721 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 08:51:21" (2/2) ... [2024-09-11 20:51:21,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3e09fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,722 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 08:51:21" (2/2) ... [2024-09-11 20:51:21,732 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:21,732 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 20:51:21,733 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:21,733 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:21,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:21,900 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_valuebound20.c[537,550] [2024-09-11 20:51:21,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:21,924 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:21,971 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_valuebound20.c[537,550] Start Parsing Local [2024-09-11 20:51:21,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:22,008 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:22,009 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:22 WrapperNode [2024-09-11 20:51:22,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:22,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:22,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:22,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:22,023 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,024 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,029 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,040 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 20:51:22,043 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,043 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,051 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,055 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,060 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,061 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:22,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:22,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:22,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:22,068 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 08:51:22" (1/1) ... [2024-09-11 20:51:22,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:22,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:22,108 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 20:51:22,115 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 20:51:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:22,178 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:22,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:22,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:22,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:22,255 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:22,257 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:22,449 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:22,505 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:22,506 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:22,530 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:22,530 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:22,530 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:22 BoogieIcfgContainer [2024-09-11 20:51:22,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:22,531 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:22,531 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:22,533 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:22,534 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:21" (1/4) ... [2024-09-11 20:51:22,534 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b0dd2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:22, skipping insertion in model container [2024-09-11 20:51:22,534 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 08:51:21" (2/4) ... [2024-09-11 20:51:22,534 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b0dd2ab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:22, skipping insertion in model container [2024-09-11 20:51:22,535 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 08:51:22" (3/4) ... [2024-09-11 20:51:22,535 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b0dd2ab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:22, skipping insertion in model container [2024-09-11 20:51:22,535 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 08:51:22" (4/4) ... [2024-09-11 20:51:22,536 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-11 20:51:22,540 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:22,541 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 20:51:22,541 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 20:51:22,541 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 20:51:22,541 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 20:51:22,542 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 20:51:22,542 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 20:51:22,542 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 20:51:22,543 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:51:22,607 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:22,608 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:22,608 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:22,609 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:22,609 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:22,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,618 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:22,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,619 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:22,619 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:22,620 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:22,622 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:22,644 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:22,676 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:22,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:22,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:22,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:22,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:22,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,705 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:22,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:22,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:22,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:22,712 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:22,720 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:22,738 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:22,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:22,739 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:22,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:22,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:22,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,745 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:22,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:22,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:22,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:22,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:22,745 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:26,749 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:26,763 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:26,763 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:26,764 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:26,764 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:26,764 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:26,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,767 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:26,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,768 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:26,768 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:26,768 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:26,769 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:26,771 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:26,784 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:26,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:26,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:26,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:26,785 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:26,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,786 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:26,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:26,787 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:26,787 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:26,787 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:26,789 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:26,803 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:26,804 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:26,804 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:26,804 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:26,804 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:26,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,822 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:26,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:26,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:26,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:26,824 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:26,826 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:26,840 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:26,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:26,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:26,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:26,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:26,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,882 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:26,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:26,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:26,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:26,891 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:30,895 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:30,901 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:30,902 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b0dd2ab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:30, skipping insertion in model container [2024-09-11 20:51:30,902 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:30,904 INFO L158 Benchmark]: Toolchain (without parser) took 9193.45ms. Allocated memory is still 161.5MB. Free memory was 118.4MB in the beginning and 71.7MB in the end (delta: 46.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,906 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 69.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:30,906 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:30,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.98ms. Allocated memory is still 161.5MB. Free memory was 118.4MB in the beginning and 103.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,908 INFO L158 Benchmark]: Boogie Preprocessor took 51.89ms. Allocated memory is still 161.5MB. Free memory was 103.6MB in the beginning and 101.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,910 INFO L158 Benchmark]: RCFGBuilder took 467.74ms. Allocated memory is still 161.5MB. Free memory was 101.1MB in the beginning and 117.2MB in the end (delta: -16.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,910 INFO L158 Benchmark]: Referee took 8370.74ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 71.7MB in the end (delta: 45.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:30,914 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 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. 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 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: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 69.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.98ms. Allocated memory is still 161.5MB. Free memory was 118.4MB in the beginning and 103.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.89ms. Allocated memory is still 161.5MB. Free memory was 103.6MB in the beginning and 101.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.74ms. Allocated memory is still 161.5MB. Free memory was 101.1MB in the beginning and 117.2MB in the end (delta: -16.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 8370.74ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 71.7MB in the end (delta: 45.5MB). 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 20:51:30,944 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_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.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 20:51:33,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:33,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:33,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:33,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:33,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:33,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:33,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:33,225 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:33,226 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:33,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:33,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:33,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:33,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:33,232 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:33,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:33,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:33,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:33,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:33,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:33,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:33,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:33,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:33,238 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:33,238 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:33,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:33,239 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:33,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:33,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:33,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:33,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:33,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:33,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:33,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:33,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:33,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:33,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:33,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:33,251 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:33,251 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:33,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:33,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:33,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:33,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:33,251 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:33,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:33,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:33,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:33,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:33,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:33,571 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:33,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-11 20:51:35,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:35,283 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:35,284 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-11 20:51:35,294 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0cdb6fe26/e32ea1b1b73841688cca0249d4d87905/FLAG1d9769067 [2024-09-11 20:51:35,313 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0cdb6fe26/e32ea1b1b73841688cca0249d4d87905 [2024-09-11 20:51:35,315 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:35,316 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:35,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-11 20:51:35,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:35,387 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:35,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:35,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:35,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:35,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:35" (1/2) ... [2024-09-11 20:51:35,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ea70af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:35" (1/2) ... [2024-09-11 20:51:35,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fbd021e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,404 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 08:51:35" (2/2) ... [2024-09-11 20:51:35,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ea70af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,405 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 08:51:35" (2/2) ... [2024-09-11 20:51:35,414 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:35,415 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 20:51:35,415 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:35,415 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:35,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:35,595 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_valuebound20.c[537,550] [2024-09-11 20:51:35,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:35,635 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:35,681 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_valuebound20.c[537,550] Start Parsing Local [2024-09-11 20:51:35,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:35,717 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:35,718 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:35 WrapperNode [2024-09-11 20:51:35,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:35,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:35,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:35,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:35,733 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,734 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,742 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,758 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 20:51:35,758 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,759 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,770 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,774 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,777 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,782 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:35,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:35,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:35,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:35,793 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 08:51:35" (1/1) ... [2024-09-11 20:51:35,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:35,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:35,823 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 20:51:35,825 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 20:51:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:35,956 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:35,960 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:36,450 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:36,495 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:36,495 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:36,542 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:36,542 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:36,543 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:36 BoogieIcfgContainer [2024-09-11 20:51:36,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:36,543 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:36,543 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:36,544 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:36,544 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:35" (1/4) ... [2024-09-11 20:51:36,545 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2de7fc65 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 20:51:36,545 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 08:51:35" (2/4) ... [2024-09-11 20:51:36,547 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2de7fc65 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 20:51:36,548 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 08:51:35" (3/4) ... [2024-09-11 20:51:36,548 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2de7fc65 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 20:51:36,549 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 08:51:36" (4/4) ... [2024-09-11 20:51:36,550 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-11 20:51:36,554 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:36,555 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 20:51:36,555 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 20:51:36,555 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 20:51:36,556 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 20:51:36,556 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 20:51:36,556 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 20:51:36,557 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 20:51:36,557 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:51:36,619 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:36,620 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,620 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,621 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,639 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:36,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,641 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,641 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,645 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,662 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:36,699 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:36,700 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,700 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,701 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,701 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,716 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:36,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,718 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,720 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:36,734 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:36,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,739 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:36,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,762 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:40,782 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:40,782 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:40,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:40,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:40,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:40,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,786 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:40,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:40,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:40,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:40,787 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,788 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:40,806 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:40,806 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:40,806 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:40,806 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:40,807 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:40,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,808 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:40,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,808 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:40,808 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:40,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:40,809 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,810 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:40,830 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:40,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:40,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:40,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:40,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:40,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,855 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:40,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,856 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:40,856 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:40,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:40,857 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,908 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:40,923 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:40,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:40,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:40,926 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:40,926 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:40,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,942 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:40,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:40,943 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:40,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:40,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:40,949 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:40,974 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:40,984 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:40,985 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2de7fc65 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:40, skipping insertion in model container [2024-09-11 20:51:40,985 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:40,987 INFO L158 Benchmark]: Toolchain (without parser) took 5599.20ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 43.7MB in the beginning and 34.8MB in the end (delta: 8.9MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,988 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 48.2MB. Free memory was 23.4MB in the beginning and 23.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:40,988 INFO L158 Benchmark]: Witness Parser took 0.75ms. Allocated memory is still 62.9MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:40,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.23ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 29.4MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,989 INFO L158 Benchmark]: Boogie Preprocessor took 65.06ms. Allocated memory is still 62.9MB. Free memory was 29.4MB in the beginning and 27.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,991 INFO L158 Benchmark]: RCFGBuilder took 751.84ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.4MB in the beginning and 53.6MB in the end (delta: -11.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,991 INFO L158 Benchmark]: Referee took 4442.04ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 34.8MB in the end (delta: 18.8MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:40,994 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 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 main to loop head at line 37. 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 48.2MB. Free memory was 23.4MB in the beginning and 23.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.75ms. Allocated memory is still 62.9MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.23ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 29.4MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.06ms. Allocated memory is still 62.9MB. Free memory was 29.4MB in the beginning and 27.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.84ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.4MB in the beginning and 53.6MB in the end (delta: -11.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Referee took 4442.04ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 34.8MB in the end (delta: 18.8MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:41,041 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