./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:20,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:20,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:20,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:20,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:20,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:20,705 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:20,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:20,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:20,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:20,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:20,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:20,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:20,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:20,707 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:20,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:20,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:20,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:20,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:20,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:20,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:20,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:20,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:20,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:20,709 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:20,709 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:20,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:20,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:20,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:20,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:20,710 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:20,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:20,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:20,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:20,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:20,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:20,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:20,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:20,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:20,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:20,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:20,716 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:20,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:20,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:20,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:20,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:20,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:20,951 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:20,952 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:20,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-20 13:28:20,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:20,993 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:20,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-20 13:28:22,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:22,371 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:22,372 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-20 13:28:22,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c14d77280/12c7b50ede6c4ea9a638bb28c8d35d08/FLAGe051b6514 [2024-09-20 13:28:22,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c14d77280/12c7b50ede6c4ea9a638bb28c8d35d08 [2024-09-20 13:28:22,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:22,390 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:22,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:22,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:22,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:22,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:20" (1/2) ... [2024-09-20 13:28:22,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13584154 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:22, skipping insertion in model container [2024-09-20 13:28:22,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:20" (1/2) ... [2024-09-20 13:28:22,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1baa014b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:22, skipping insertion in model container [2024-09-20 13:28:22,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:22" (2/2) ... [2024-09-20 13:28:22,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13584154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22, skipping insertion in model container [2024-09-20 13:28:22,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:22" (2/2) ... [2024-09-20 13:28:22,406 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:22,407 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)) [2024-09-20 13:28:22,407 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:22,407 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:22,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:22,530 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_valuebound20.c[537,550] [2024-09-20 13:28:22,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:22,554 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:22,595 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_valuebound20.c[537,550] Start Parsing Local [2024-09-20 13:28:22,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:22,621 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:22,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22 WrapperNode [2024-09-20 13:28:22,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:22,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:22,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:22,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:22,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,641 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,654 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 [2024-09-20 13:28:22,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:22,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:22,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:22,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:22,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:22,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:22,693 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) [2024-09-20 13:28:22,695 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 [2024-09-20 13:28:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:22,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:22,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:22,788 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:22,790 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:22,997 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:23,015 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:23,043 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:23,044 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:23,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:23 BoogieIcfgContainer [2024-09-20 13:28:23,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:23,045 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:23,045 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:23,046 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:23,046 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:20" (1/4) ... [2024-09-20 13:28:23,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bea6811 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:23, skipping insertion in model container [2024-09-20 13:28:23,047 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:22" (2/4) ... [2024-09-20 13:28:23,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bea6811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:23, skipping insertion in model container [2024-09-20 13:28:23,047 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (3/4) ... [2024-09-20 13:28:23,048 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bea6811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:23, skipping insertion in model container [2024-09-20 13:28:23,048 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:23" (4/4) ... [2024-09-20 13:28:23,049 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-20 13:28:23,055 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:23,056 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:23,056 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:28:23,056 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:23,056 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:23,057 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:23,057 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:28:23,057 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:23,057 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-20 13:28:23,103 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:23,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,105 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,106 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,107 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,135 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:23,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,139 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,140 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,143 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,191 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:23,213 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:23,213 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,214 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,214 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,214 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,239 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:23,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,242 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,242 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,242 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,250 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:23,262 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:23,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,263 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,263 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,263 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,268 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:23,269 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,269 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,269 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,269 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,270 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:27,273 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:27,287 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:27,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:27,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:27,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:27,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:27,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,291 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:27,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,292 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:27,292 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:27,292 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:27,293 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:27,297 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:27,306 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:27,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:27,307 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:27,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:27,307 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:27,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,309 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:27,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,309 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:27,309 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:27,309 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:27,309 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:27,311 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:27,320 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:27,320 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:27,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:27,320 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:27,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:27,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,331 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:27,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,332 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:27,332 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:27,332 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:27,332 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:27,336 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:27,346 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:27,346 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:27,346 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:27,346 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:27,346 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:27,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,362 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:27,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,363 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:27,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:27,363 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:27,368 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,372 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:31,378 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:31,379 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bea6811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:31, skipping insertion in model container [2024-09-20 13:28:31,379 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:31,382 INFO L158 Benchmark]: Toolchain (without parser) took 8990.54ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 96.3MB in the end (delta: 35.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-20 13:28:31,382 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 90.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:31,383 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 117.4MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:31,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.23ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 117.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:31,384 INFO L158 Benchmark]: Boogie Preprocessor took 41.58ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 115.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:31,385 INFO L158 Benchmark]: RCFGBuilder took 379.49ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 99.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:31,386 INFO L158 Benchmark]: Referee took 8334.19ms. Allocated memory is still 165.7MB. Free memory was 99.0MB in the beginning and 96.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 13:28:31,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 90.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 117.4MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.23ms. Allocated memory is still 165.7MB. Free memory was 131.5MB in the beginning and 117.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.58ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 115.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.49ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 99.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8334.19ms. Allocated memory is still 165.7MB. Free memory was 99.0MB in the beginning and 96.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:31,411 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:33,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:33,240 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:33,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:33,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:33,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:33,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:33,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:33,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:33,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:33,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:33,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:33,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:33,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:33,269 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:33,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:33,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:33,270 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:33,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:33,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:33,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:33,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:33,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:33,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:33,277 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:33,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:33,277 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:33,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:33,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:33,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:33,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:33,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:33,279 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:33,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:33,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:33,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:33,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:33,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:33,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:33,280 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:33,280 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:33,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:33,281 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:33,281 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:33,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:33,281 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:33,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:33,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:33,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:33,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:33,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:33,571 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:33,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-20 13:28:34,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:35,035 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:35,036 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-20 13:28:35,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/64073b3ef/ae561bb4a27d471cab80d5f1642de1e3/FLAGa631b9599 [2024-09-20 13:28:35,457 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/64073b3ef/ae561bb4a27d471cab80d5f1642de1e3 [2024-09-20 13:28:35,459 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:35,460 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:35,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-20 13:28:35,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:35,504 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:35,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:35,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:35,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:35,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:35" (1/2) ... [2024-09-20 13:28:35,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff4a771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:35, skipping insertion in model container [2024-09-20 13:28:35,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:35" (1/2) ... [2024-09-20 13:28:35,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b79d4f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:35, skipping insertion in model container [2024-09-20 13:28:35,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:35" (2/2) ... [2024-09-20 13:28:35,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff4a771 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:35, skipping insertion in model container [2024-09-20 13:28:35,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:35" (2/2) ... [2024-09-20 13:28:35,525 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:35,527 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)) [2024-09-20 13:28:35,527 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:35,527 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:35,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:35,679 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_valuebound20.c[537,550] [2024-09-20 13:28:35,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:35,712 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:35,759 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_valuebound20.c[537,550] Start Parsing Local [2024-09-20 13:28:35,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:35,789 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:35,790 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:35 WrapperNode [2024-09-20 13:28:35,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:35,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:35,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:35,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:35,802 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,802 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,811 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,824 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 [2024-09-20 13:28:35,828 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,828 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,834 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,839 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,843 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,843 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:35,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:35,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:35,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:35,852 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 20.09 01:28:35" (1/1) ... [2024-09-20 13:28:35,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:35,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:35,882 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) [2024-09-20 13:28:35,888 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 [2024-09-20 13:28:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:35,994 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:35,997 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:36,500 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:36,526 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:36,553 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:36,554 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:36,554 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:36 BoogieIcfgContainer [2024-09-20 13:28:36,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:36,555 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:36,555 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:36,556 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:36,556 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:35" (1/4) ... [2024-09-20 13:28:36,557 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f9bf71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:36, skipping insertion in model container [2024-09-20 13:28:36,557 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:35" (2/4) ... [2024-09-20 13:28:36,557 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f9bf71d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:36, skipping insertion in model container [2024-09-20 13:28:36,557 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 20.09 01:28:35" (3/4) ... [2024-09-20 13:28:36,558 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f9bf71d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:36, skipping insertion in model container [2024-09-20 13:28:36,558 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:36" (4/4) ... [2024-09-20 13:28:36,559 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-20 13:28:36,562 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:36,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:36,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:28:36,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:36,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:36,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:36,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:28:36,564 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:36,565 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-20 13:28:36,612 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:36,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:36,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:36,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:36,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:36,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,633 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:36,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,635 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:36,635 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:36,636 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:36,639 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:36,652 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:36,672 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:36,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:36,672 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:36,672 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:36,672 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:36,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,687 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:36,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,688 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:36,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:36,688 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:36,689 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:36,690 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:36,707 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:36,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:36,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:36,708 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:36,708 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:36,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,711 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:36,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:36,711 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:36,714 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:36,714 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:36,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:40,755 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:40,780 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:40,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:40,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:40,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:40,780 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:40,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:40,782 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:40,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:40,783 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:40,783 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:40,783 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:40,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:40,784 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:40,800 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:40,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:40,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:40,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:40,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:40,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:40,802 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:40,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:40,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:40,803 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:40,803 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:40,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:40,804 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:40,814 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:40,815 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:40,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:40,815 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:40,815 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:40,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:40,826 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:40,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:40,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:40,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:40,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:40,827 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:40,847 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:40,859 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:40,859 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:40,859 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:40,859 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:40,860 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:40,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:40,871 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:40,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:40,872 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:40,872 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:40,872 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:40,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:44,983 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:45,013 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:45,013 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f9bf71d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:45, skipping insertion in model container [2024-09-20 13:28:45,013 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:45,015 INFO L158 Benchmark]: Toolchain (without parser) took 9510.32ms. Allocated memory is still 81.8MB. Free memory was 50.6MB in the beginning and 57.8MB in the end (delta: -7.3MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,016 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:45,016 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 81.8MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:45,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.60ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 57.4MB in the end (delta: -7.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,017 INFO L158 Benchmark]: Boogie Preprocessor took 53.54ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 55.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,017 INFO L158 Benchmark]: RCFGBuilder took 705.14ms. Allocated memory is still 81.8MB. Free memory was 55.1MB in the beginning and 39.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,018 INFO L158 Benchmark]: Referee took 8458.51ms. Allocated memory is still 81.8MB. Free memory was 39.7MB in the beginning and 57.8MB in the end (delta: -18.2MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,019 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 loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 81.8MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.60ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 57.4MB in the end (delta: -7.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.54ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 55.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.14ms. Allocated memory is still 81.8MB. Free memory was 55.1MB in the beginning and 39.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8458.51ms. Allocated memory is still 81.8MB. Free memory was 39.7MB in the beginning and 57.8MB in the end (delta: -18.2MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:45,058 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN