./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:57,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:57,211 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:57,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:57,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:57,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:57,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:57,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:57,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:57,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:57,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:57,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:57,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:57,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:57,249 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:57,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:57,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:57,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:57,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:57,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:57,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:57,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:57,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:57,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:57,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:57,256 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:57,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:57,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:57,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:57,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:57,257 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:57,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:57,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:57,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:57,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:57,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:57,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:57,260 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:57,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:57,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:57,261 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:57,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:57,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:57,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:57,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:57,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:57,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:57,504 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:57,505 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:57,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-21 12:49:57,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:57,577 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:57,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-21 12:49:58,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:59,113 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:59,114 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-21 12:49:59,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f6f93ad2f/82cb24dd39064daeaf6fceab9d16f012/FLAG6c2fb5b72 [2024-09-21 12:49:59,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f6f93ad2f/82cb24dd39064daeaf6fceab9d16f012 [2024-09-21 12:49:59,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:59,516 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:59,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:59,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:59,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:59,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:57" (1/2) ... [2024-09-21 12:49:59,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214c9cb5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:59, skipping insertion in model container [2024-09-21 12:49:59,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:57" (1/2) ... [2024-09-21 12:49:59,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25fd8388 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:59, skipping insertion in model container [2024-09-21 12:49:59,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:59" (2/2) ... [2024-09-21 12:49:59,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214c9cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59, skipping insertion in model container [2024-09-21 12:49:59,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:59" (2/2) ... [2024-09-21 12:49:59,539 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:59,539 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-21 12:49:59,540 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:59,540 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:49:59,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:59,686 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-09-21 12:49:59,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:59,713 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:59,748 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-09-21 12:49:59,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:59,771 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:59,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59 WrapperNode [2024-09-21 12:49:59,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:59,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:59,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:59,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:59,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,799 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 [2024-09-21 12:49:59,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:59,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:59,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:59,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:59,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (1/1) ... [2024-09-21 12:49:59,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:59,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:59,838 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) [2024-09-21 12:49:59,841 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 [2024-09-21 12:49:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:59,936 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:59,938 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:00,170 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:00,197 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:00,231 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:00,232 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:00,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:00 BoogieIcfgContainer [2024-09-21 12:50:00,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:00,234 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:00,234 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:00,235 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:00,235 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:57" (1/4) ... [2024-09-21 12:50:00,235 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@271429c3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:00, skipping insertion in model container [2024-09-21 12:50:00,235 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:59" (2/4) ... [2024-09-21 12:50:00,236 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@271429c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:00, skipping insertion in model container [2024-09-21 12:50:00,236 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:59" (3/4) ... [2024-09-21 12:50:00,236 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@271429c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:00, skipping insertion in model container [2024-09-21 12:50:00,236 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:00" (4/4) ... [2024-09-21 12:50:00,237 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-21 12:50:00,241 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:00,242 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:00,242 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:00,242 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:00,242 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:00,243 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:00,243 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:00,243 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:00,243 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-21 12:50:00,310 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:00,311 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:00,312 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:00,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:00,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:00,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,334 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:00,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,336 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:00,337 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:00,337 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:00,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:00,367 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:00,407 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:00,409 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:00,409 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:00,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:00,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:00,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,445 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:00,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,446 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:00,447 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:00,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:00,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:00,456 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:00,478 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:00,479 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:00,479 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:00,479 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:00,479 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:00,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,487 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:00,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:00,488 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:00,488 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:00,488 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:00,488 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:04,494 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:04,517 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:04,517 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:04,517 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:04,517 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:04,517 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:04,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:04,521 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:04,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:04,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:04,521 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:04,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:04,523 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:04,526 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:04,538 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:04,538 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:04,539 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:04,539 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:04,539 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:04,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:04,542 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:04,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:04,542 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:04,543 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:04,543 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:04,543 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:04,547 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:04,568 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:04,568 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:04,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:04,569 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:04,569 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:04,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:04,587 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:04,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:04,588 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:04,588 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:04,588 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:04,588 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:04,592 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:04,606 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:04,607 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:04,607 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:04,607 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:04,607 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:04,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:04,639 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:04,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:04,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:04,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:04,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:04,667 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:08,671 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:08,677 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:08,678 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@271429c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,678 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:08,679 INFO L158 Benchmark]: Toolchain (without parser) took 9162.52ms. Allocated memory is still 211.8MB. Free memory was 154.2MB in the beginning and 177.9MB in the end (delta: -23.6MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:08,680 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 95.9MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:08,680 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 134.2MB. Free memory was 107.8MB in the beginning and 107.6MB in the end (delta: 177.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:08,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.14ms. Allocated memory is still 211.8MB. Free memory was 153.5MB in the beginning and 140.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:08,681 INFO L158 Benchmark]: Boogie Preprocessor took 39.12ms. Allocated memory is still 211.8MB. Free memory was 140.1MB in the beginning and 138.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:08,682 INFO L158 Benchmark]: RCFGBuilder took 417.10ms. Allocated memory is still 211.8MB. Free memory was 138.0MB in the beginning and 119.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:08,682 INFO L158 Benchmark]: Referee took 8444.11ms. Allocated memory is still 211.8MB. Free memory was 119.9MB in the beginning and 177.9MB in the end (delta: -57.9MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-09-21 12:50:08,685 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 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 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. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 134.2MB. Free memory was 95.9MB in the beginning and 95.9MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.85ms. Allocated memory is still 134.2MB. Free memory was 107.8MB in the beginning and 107.6MB in the end (delta: 177.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.14ms. Allocated memory is still 211.8MB. Free memory was 153.5MB in the beginning and 140.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.12ms. Allocated memory is still 211.8MB. Free memory was 140.1MB in the beginning and 138.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.10ms. Allocated memory is still 211.8MB. Free memory was 138.0MB in the beginning and 119.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 8444.11ms. Allocated memory is still 211.8MB. Free memory was 119.9MB in the beginning and 177.9MB in the end (delta: -57.9MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:08,709 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_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:10,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:10,992 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:10,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:10,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:11,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:11,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:11,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:11,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:11,034 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:11,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:11,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:11,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:11,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:11,039 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:11,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:11,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:11,040 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:11,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:11,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:11,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:11,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:11,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:11,048 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:11,048 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:11,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:11,049 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:11,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:11,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:11,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:11,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:11,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:11,052 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:11,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:11,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:11,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:11,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:11,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:11,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:11,054 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:11,054 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:11,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:11,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:11,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:11,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:11,057 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:11,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:11,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:11,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:11,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:11,420 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:11,420 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:11,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-21 12:50:13,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:13,220 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:13,221 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-21 12:50:13,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/48fef7060/7b3be083f17a4678ae0020a2025e16b0/FLAGd0a40fecf [2024-09-21 12:50:13,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/48fef7060/7b3be083f17a4678ae0020a2025e16b0 [2024-09-21 12:50:13,618 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:13,619 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:13,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-21 12:50:13,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:13,675 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:13,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:13,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:13,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:13,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:13" (1/2) ... [2024-09-21 12:50:13,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7197370f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:13, skipping insertion in model container [2024-09-21 12:50:13,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:13" (1/2) ... [2024-09-21 12:50:13,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a4dd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:13, skipping insertion in model container [2024-09-21 12:50:13,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:13" (2/2) ... [2024-09-21 12:50:13,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7197370f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:13, skipping insertion in model container [2024-09-21 12:50:13,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:13" (2/2) ... [2024-09-21 12:50:13,698 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:13,699 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-21 12:50:13,699 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:13,699 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:13,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:13,895 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-09-21 12:50:13,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:13,929 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:13,975 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-09-21 12:50:13,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:14,010 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:14,011 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:14 WrapperNode [2024-09-21 12:50:14,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:14,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:14,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:14,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:14,025 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,025 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,037 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,049 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 [2024-09-21 12:50:14,053 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,053 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,060 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,068 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,069 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,071 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:14,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:14,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:14,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:14,079 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 21.09 12:50:14" (1/1) ... [2024-09-21 12:50:14,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:14,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:14,107 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) [2024-09-21 12:50:14,113 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 [2024-09-21 12:50:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:14,231 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:14,234 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:14,676 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:14,692 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:14,724 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:14,724 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:14,724 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:14 BoogieIcfgContainer [2024-09-21 12:50:14,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:14,725 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:14,729 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:14,729 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:14,729 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:13" (1/4) ... [2024-09-21 12:50:14,730 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16a5b048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:14, skipping insertion in model container [2024-09-21 12:50:14,730 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:13" (2/4) ... [2024-09-21 12:50:14,730 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16a5b048 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:14, skipping insertion in model container [2024-09-21 12:50:14,730 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 21.09 12:50:14" (3/4) ... [2024-09-21 12:50:14,731 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16a5b048 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:14, skipping insertion in model container [2024-09-21 12:50:14,731 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:14" (4/4) ... [2024-09-21 12:50:14,732 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-21 12:50:14,739 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:14,740 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:14,740 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:14,740 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:14,740 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:14,741 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:14,741 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:14,741 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:14,742 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-21 12:50:14,801 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:14,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:14,802 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:14,802 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:14,804 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:14,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,816 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:14,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,817 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:14,817 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:14,818 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:14,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:14,844 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:14,878 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:14,878 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:14,878 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:14,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:14,878 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:14,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,898 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:14,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:14,899 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:14,899 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:14,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:14,901 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:14,926 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:14,930 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:14,930 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:14,930 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:14,930 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:14,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,934 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:14,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,938 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:14,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:14,939 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:14,939 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:18,979 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:19,008 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:19,008 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:19,009 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:19,009 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:19,009 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:19,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:19,012 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:19,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:19,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:19,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:19,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:19,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:19,015 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:19,026 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:19,027 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:19,027 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:19,027 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:19,027 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:19,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:19,029 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:19,029 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:19,029 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:19,029 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:19,030 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:19,030 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:19,031 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:19,044 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:19,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:19,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:19,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:19,044 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:19,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:19,056 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:19,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:19,057 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:19,057 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:19,057 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:19,057 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:20,392 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:20,409 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:20,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:20,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:20,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:20,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:20,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,436 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:20,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:20,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:20,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:20,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:20,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:24,536 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:24,565 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:24,565 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16a5b048 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:24, skipping insertion in model container [2024-09-21 12:50:24,565 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:24,567 INFO L158 Benchmark]: Toolchain (without parser) took 10891.71ms. Allocated memory is still 81.8MB. Free memory was 50.3MB in the beginning and 56.2MB in the end (delta: -5.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,568 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 56.6MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:24,568 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 81.8MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:24,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.94ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 57.7MB in the end (delta: -7.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,569 INFO L158 Benchmark]: Boogie Preprocessor took 65.00ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 55.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,570 INFO L158 Benchmark]: RCFGBuilder took 646.67ms. Allocated memory is still 81.8MB. Free memory was 55.2MB in the beginning and 39.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,570 INFO L158 Benchmark]: Referee took 9840.20ms. Allocated memory is still 81.8MB. Free memory was 39.5MB in the beginning and 56.2MB in the end (delta: -16.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-09-21 12:50:24,573 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 56.6MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 81.8MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.94ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 57.7MB in the end (delta: -7.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.00ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 55.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.67ms. Allocated memory is still 81.8MB. Free memory was 55.2MB in the beginning and 39.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 9840.20ms. Allocated memory is still 81.8MB. Free memory was 39.5MB in the beginning and 56.2MB in the end (delta: -16.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:24,615 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