./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 fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:17,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:17,593 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:17,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:17,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:17,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:17,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:17,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:17,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:17,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:17,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:17,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:17,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:17,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:17,624 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:17,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:17,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:17,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:17,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:17,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:17,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:17,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:17,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:17,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:17,627 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:17,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:17,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:17,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:17,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:17,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:17,628 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:17,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:17,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:17,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:17,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:17,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:17,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:17,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:17,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:17,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:17,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:17,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:17,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:17,633 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:17,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:17,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:17,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:17,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:17,896 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:17,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-25 11:48:19,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:19,487 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:19,487 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-25 11:48:19,495 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c6014a1bc/301fc07f7441477e89d3e7bfc932ddf8/FLAG93506eadc [2024-09-25 11:48:19,509 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c6014a1bc/301fc07f7441477e89d3e7bfc932ddf8 [2024-09-25 11:48:19,511 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:19,511 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:19,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-25 11:48:19,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:19,612 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:19,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:19,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:19,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:19,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:19" (1/2) ... [2024-09-25 11:48:19,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e70229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:19" (1/2) ... [2024-09-25 11:48:19,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31141817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:19" (2/2) ... [2024-09-25 11:48:19,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e70229 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:19" (2/2) ... [2024-09-25 11:48:19,636 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:19,636 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 11:48:19,637 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 11:48:19,637 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:48:19,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:19,805 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-09-25 11:48:19,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:19,835 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:19,876 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-09-25 11:48:19,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:19,914 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:19,914 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19 WrapperNode [2024-09-25 11:48:19,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:19,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:19,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:19,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:19,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,950 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:19,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:19,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:19,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:19,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:19,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:19,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:20,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:48:20,020 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:48:20,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:20,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:20,133 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:20,135 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:20,361 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:20,385 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:20,415 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:20,416 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:20,416 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:20 BoogieIcfgContainer [2024-09-25 11:48:20,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:20,417 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:20,417 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:20,418 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:20,418 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:19" (1/4) ... [2024-09-25 11:48:20,419 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c164491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:20, skipping insertion in model container [2024-09-25 11:48:20,419 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:19" (2/4) ... [2024-09-25 11:48:20,419 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c164491 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:20, skipping insertion in model container [2024-09-25 11:48:20,419 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19" (3/4) ... [2024-09-25 11:48:20,419 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c164491 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:20, skipping insertion in model container [2024-09-25 11:48:20,419 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:20" (4/4) ... [2024-09-25 11:48:20,421 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-25 11:48:20,425 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:20,426 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:20,426 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:20,426 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:20,426 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:20,426 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:20,427 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:20,427 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:20,427 INFO L131 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 [2024-09-25 11:48:20,491 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:20,493 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,494 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,495 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,505 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:20,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,506 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,507 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,512 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,534 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:20,562 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:20,563 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,563 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,563 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,563 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,594 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:20,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,595 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,605 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:20,630 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:20,631 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,631 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,640 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:20,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,641 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,642 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,655 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:24,678 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:24,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,682 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:24,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,683 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,683 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,684 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,687 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:24,701 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,701 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,702 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,702 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,704 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,705 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,707 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:24,718 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:24,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,719 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,719 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,741 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:24,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,742 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,749 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:24,771 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:24,772 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,792 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:24,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,793 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,798 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,802 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:28,808 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:28,808 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c164491 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:28, skipping insertion in model container [2024-09-25 11:48:28,808 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:28,810 INFO L158 Benchmark]: Toolchain (without parser) took 9197.26ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 119.7MB in the end (delta: 11.5MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,810 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory was 134.6MB in the beginning and 134.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:28,811 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 161.5MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:28,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.05ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 116.7MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,811 INFO L158 Benchmark]: Boogie Preprocessor took 53.77ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 114.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,812 INFO L158 Benchmark]: RCFGBuilder took 446.05ms. Allocated memory is still 161.5MB. Free memory was 114.7MB in the beginning and 97.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,814 INFO L158 Benchmark]: Referee took 8391.36ms. Allocated memory is still 161.5MB. Free memory was 97.6MB in the beginning and 119.7MB in the end (delta: -22.1MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,816 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory was 134.6MB in the beginning and 134.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 161.5MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.05ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 116.7MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.77ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 114.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.05ms. Allocated memory is still 161.5MB. Free memory was 114.7MB in the beginning and 97.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8391.36ms. Allocated memory is still 161.5MB. Free memory was 97.6MB in the beginning and 119.7MB in the end (delta: -22.1MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:28,841 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:30,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:31,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:31,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:31,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:31,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:31,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:31,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:31,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:31,112 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:31,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:31,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:31,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:31,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:31,116 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:31,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:31,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:31,117 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:31,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:31,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:31,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:31,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:31,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:31,121 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:31,121 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:31,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:31,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:31,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:31,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:31,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:31,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:31,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:31,124 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:31,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:31,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:31,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:31,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:31,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:31,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:31,125 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:31,125 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:31,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:31,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:31,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:31,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:31,127 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:31,127 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:31,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:31,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:31,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:31,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:31,493 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:31,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-25 11:48:32,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:33,111 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:33,112 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-25 11:48:33,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4bb77df93/6ed95e045de14431b7126000e45bbd88/FLAGce2789ab3 [2024-09-25 11:48:33,470 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4bb77df93/6ed95e045de14431b7126000e45bbd88 [2024-09-25 11:48:33,472 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:33,472 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:33,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-25 11:48:33,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:33,531 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:33,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:33,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:33,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:33,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:33" (1/2) ... [2024-09-25 11:48:33,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ab641b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:33" (1/2) ... [2024-09-25 11:48:33,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67762fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:33" (2/2) ... [2024-09-25 11:48:33,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ab641b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:33" (2/2) ... [2024-09-25 11:48:33,555 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:33,556 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 11:48:33,556 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:48:33,556 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 11:48:33,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:33,748 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] [2024-09-25 11:48:33,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:33,802 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:33,867 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-09-25 11:48:33,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:33,905 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:33,906 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33 WrapperNode [2024-09-25 11:48:33,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:33,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:33,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:33,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:33,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,951 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:33,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:33,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:33,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:33,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:33,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:33,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:34,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:48:34,013 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:48:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:34,155 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:34,158 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:34,738 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:34,767 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:34,810 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:34,810 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:34,811 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:34 BoogieIcfgContainer [2024-09-25 11:48:34,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:34,811 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:34,812 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:34,812 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:34,813 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:33" (1/4) ... [2024-09-25 11:48:34,813 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29aeffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:34, skipping insertion in model container [2024-09-25 11:48:34,813 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:33" (2/4) ... [2024-09-25 11:48:34,814 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29aeffd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:34, skipping insertion in model container [2024-09-25 11:48:34,814 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (3/4) ... [2024-09-25 11:48:34,814 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29aeffd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:34, skipping insertion in model container [2024-09-25 11:48:34,814 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:34" (4/4) ... [2024-09-25 11:48:34,816 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-25 11:48:34,823 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:34,824 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:34,824 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:34,824 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:34,824 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:34,825 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:34,825 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:34,825 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:34,825 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-25 11:48:34,884 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:34,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:34,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:34,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:34,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:34,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,901 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:34,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:34,905 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:34,906 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:34,911 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:34,928 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:34,965 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:34,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:34,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:34,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:34,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:34,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,991 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:34,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,996 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:34,996 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:34,996 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:34,997 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:34,999 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:35,022 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:35,023 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:35,023 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:35,023 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:35,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:35,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,027 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:35,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:35,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:35,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:35,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:35,029 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:39,074 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:39,103 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:39,103 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:39,104 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:39,104 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:39,104 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:39,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:39,107 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:39,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:39,107 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:39,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:39,108 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:39,108 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:39,110 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:39,133 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:39,133 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:39,133 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:39,134 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:39,134 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:39,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:39,136 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:39,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:39,136 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:39,136 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:39,136 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:39,136 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:39,138 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:39,157 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:39,157 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:39,157 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:39,157 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:39,158 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:39,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:39,176 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:39,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:39,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:39,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:39,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:39,178 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:40,555 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:40,572 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:40,572 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:40,573 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:40,573 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:40,573 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:40,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:40,594 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:40,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:40,594 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:40,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:40,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:40,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:44,701 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:44,728 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:44,729 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29aeffd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:44, skipping insertion in model container [2024-09-25 11:48:44,729 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:44,731 INFO L158 Benchmark]: Toolchain (without parser) took 11198.57ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 31.9MB in the beginning and 38.0MB in the end (delta: -6.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:44,731 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:44,731 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 56.6MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:44,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.67ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 31.7MB in the beginning and 54.1MB in the end (delta: -22.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:44,733 INFO L158 Benchmark]: Boogie Preprocessor took 65.44ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 51.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:44,733 INFO L158 Benchmark]: RCFGBuilder took 836.01ms. Allocated memory is still 77.6MB. Free memory was 51.7MB in the beginning and 55.3MB in the end (delta: -3.6MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:44,734 INFO L158 Benchmark]: Referee took 9917.61ms. Allocated memory is still 77.6MB. Free memory was 55.3MB in the beginning and 38.0MB in the end (delta: 17.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:44,736 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 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 56.6MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.67ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 31.7MB in the beginning and 54.1MB in the end (delta: -22.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.44ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 51.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 836.01ms. Allocated memory is still 77.6MB. Free memory was 51.7MB in the beginning and 55.3MB in the end (delta: -3.6MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Referee took 9917.61ms. Allocated memory is still 77.6MB. Free memory was 55.3MB in the beginning and 38.0MB in the end (delta: 17.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:44,777 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