./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 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_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.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-04d6fb3-m [2024-09-15 20:08:01,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:01,631 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:08:01,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:01,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:01,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:01,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:01,661 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:01,661 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:01,662 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:01,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:01,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:01,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:01,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:01,666 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:01,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:01,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:01,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:01,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:08:01,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:01,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:01,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:01,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:01,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:01,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:01,672 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:01,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:01,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:01,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:01,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:01,673 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:01,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:01,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:01,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:01,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:01,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:01,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:01,675 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:08:01,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:08:01,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:01,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:01,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:01,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:01,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:01,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:01,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:01,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:01,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:01,983 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:01,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-15 20:08:03,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:03,587 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:03,588 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-15 20:08:03,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/661f4ebce/f8eab71f7dcf430fac9710861cd31a1b/FLAG404a39919 [2024-09-15 20:08:03,618 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/661f4ebce/f8eab71f7dcf430fac9710861cd31a1b [2024-09-15 20:08:03,621 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:03,622 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:03,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-15 20:08:03,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:03,684 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:03,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:03,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:03,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:03,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:03" (1/2) ... [2024-09-15 20:08:03,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4ba2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03, skipping insertion in model container [2024-09-15 20:08:03,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:03" (1/2) ... [2024-09-15 20:08:03,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61ef8389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:03, skipping insertion in model container [2024-09-15 20:08:03,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:03" (2/2) ... [2024-09-15 20:08:03,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4ba2ca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:03, skipping insertion in model container [2024-09-15 20:08:03,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:03" (2/2) ... [2024-09-15 20:08:03,708 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:03,709 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)) [2024-09-15 20:08:03,709 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:08:03,709 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-15 20:08:03,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:03,898 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_valuebound2.c[537,550] [2024-09-15 20:08:03,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:03,930 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:03,969 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_valuebound2.c[537,550] Start Parsing Local [2024-09-15 20:08:03,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:03,999 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:03,999 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:03 WrapperNode [2024-09-15 20:08:04,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:04,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:04,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:04,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:04,012 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,012 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,019 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,029 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 [2024-09-15 20:08:04,029 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,029 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,033 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,036 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,037 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,038 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:04,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:04,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:04,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:04,045 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 15.09 08:08:03" (1/1) ... [2024-09-15 20:08:04,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:04,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:04,079 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) [2024-09-15 20:08:04,080 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 [2024-09-15 20:08:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:08:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:08:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:08:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:04,196 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:04,198 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:04,436 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:04,459 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:04,485 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:04,485 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:04,485 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:04 BoogieIcfgContainer [2024-09-15 20:08:04,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:04,486 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:04,486 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:04,487 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:04,487 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:03" (1/4) ... [2024-09-15 20:08:04,488 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4001db23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:04, skipping insertion in model container [2024-09-15 20:08:04,488 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:03" (2/4) ... [2024-09-15 20:08:04,488 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4001db23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:04, skipping insertion in model container [2024-09-15 20:08:04,488 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 15.09 08:08:03" (3/4) ... [2024-09-15 20:08:04,488 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4001db23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:04, skipping insertion in model container [2024-09-15 20:08:04,489 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:04" (4/4) ... [2024-09-15 20:08:04,490 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-15 20:08:04,493 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:04,493 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:04,494 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:08:04,494 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:04,494 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:04,494 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:04,494 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-15 20:08:04,495 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:08:04,495 INFO L130 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 [2024-09-15 20:08:04,552 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:04,554 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,555 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,564 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:04,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,571 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,588 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:04,623 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:08:04,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,650 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:08:04,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,651 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,651 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,656 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:04,660 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:04,679 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:04,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:04,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:04,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:04,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:04,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,686 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:04,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:04,687 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:04,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:04,688 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:04,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:08,694 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:08,710 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:08,711 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:08,711 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:08,711 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:08,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:08,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,714 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:08,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:08,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:08,715 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:08,716 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:08,718 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:08,731 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:08,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:08,731 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:08,732 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:08,732 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:08,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,733 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:08,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:08,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:08,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:08,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:08,736 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:08,750 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-15 20:08:08,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:08,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:08,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:08,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:08,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,766 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-15 20:08:08,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,767 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:08,767 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:08,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:08,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:08,770 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:08,785 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:08:08,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:08,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:08,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:08,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:08,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,820 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:08:08,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:08,821 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:08,821 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:08,821 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:08,830 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:12,834 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:12,840 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:12,841 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4001db23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:12, skipping insertion in model container [2024-09-15 20:08:12,841 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:12,842 INFO L158 Benchmark]: Toolchain (without parser) took 9157.85ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 81.6MB in the end (delta: 50.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,843 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:12,843 INFO L158 Benchmark]: Witness Parser took 1.27ms. Allocated memory is still 167.8MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:12,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.37ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 118.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,844 INFO L158 Benchmark]: Boogie Preprocessor took 39.89ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,845 INFO L158 Benchmark]: RCFGBuilder took 444.74ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 126.1MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,845 INFO L158 Benchmark]: Referee took 8354.90ms. Allocated memory is still 167.8MB. Free memory was 126.1MB in the beginning and 81.6MB in the end (delta: 44.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-15 20:08:12,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.27ms. Allocated memory is still 167.8MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.37ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 118.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.89ms. Allocated memory is still 167.8MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.74ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 126.1MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8354.90ms. Allocated memory is still 167.8MB. Free memory was 126.1MB in the beginning and 81.6MB in the end (delta: 44.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:12,874 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_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.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-04d6fb3-m [2024-09-15 20:08:15,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:15,097 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:08:15,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:15,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:15,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:15,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:15,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:15,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:15,141 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:15,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:15,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:15,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:15,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:15,143 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:15,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:15,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:15,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:15,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:15,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:15,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:15,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:15,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:15,154 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:08:15,154 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:08:15,154 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:15,154 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:08:15,154 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:15,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:15,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:15,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:15,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:15,156 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:15,156 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:15,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:15,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:15,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:15,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:15,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:15,159 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:08:15,159 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:08:15,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:15,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:15,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:15,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:15,161 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:08:15,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:15,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:15,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:15,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:15,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:15,485 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:15,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-15 20:08:17,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:17,247 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:17,248 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-15 20:08:17,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e5aca7ee5/e53f136e094d46d29a633e0101b3dc88/FLAGf8e406f41 [2024-09-15 20:08:17,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e5aca7ee5/e53f136e094d46d29a633e0101b3dc88 [2024-09-15 20:08:17,630 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:17,631 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:17,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-15 20:08:17,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:17,686 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:17,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:17,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:17,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:17,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:17" (1/2) ... [2024-09-15 20:08:17,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61667cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:17, skipping insertion in model container [2024-09-15 20:08:17,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:17" (1/2) ... [2024-09-15 20:08:17,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40d43a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:17, skipping insertion in model container [2024-09-15 20:08:17,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:17" (2/2) ... [2024-09-15 20:08:17,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61667cee and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:17, skipping insertion in model container [2024-09-15 20:08:17,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:17" (2/2) ... [2024-09-15 20:08:17,712 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:17,712 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)) [2024-09-15 20:08:17,713 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:08:17,713 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-15 20:08:17,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:17,903 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_valuebound2.c[537,550] [2024-09-15 20:08:17,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:17,938 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:17,981 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_valuebound2.c[537,550] Start Parsing Local [2024-09-15 20:08:17,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:18,017 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:18,017 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:18 WrapperNode [2024-09-15 20:08:18,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:18,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:18,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:18,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:18,033 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,034 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,046 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,059 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 [2024-09-15 20:08:18,061 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,061 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,076 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,080 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,082 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,087 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:18,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:18,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:18,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:18,091 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 15.09 08:08:18" (1/1) ... [2024-09-15 20:08:18,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:18,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:18,132 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) [2024-09-15 20:08:18,139 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 [2024-09-15 20:08:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:08:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:08:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:08:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:18,263 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:18,266 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:18,793 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:18,811 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:18,839 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:18,842 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:18,843 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:18 BoogieIcfgContainer [2024-09-15 20:08:18,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:18,843 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:18,843 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:18,844 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:18,845 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:17" (1/4) ... [2024-09-15 20:08:18,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38f98bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:18, skipping insertion in model container [2024-09-15 20:08:18,845 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:17" (2/4) ... [2024-09-15 20:08:18,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38f98bb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:18, skipping insertion in model container [2024-09-15 20:08:18,846 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 15.09 08:08:18" (3/4) ... [2024-09-15 20:08:18,846 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38f98bb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:18, skipping insertion in model container [2024-09-15 20:08:18,846 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:18" (4/4) ... [2024-09-15 20:08:18,847 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-15 20:08:18,850 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:18,851 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:18,852 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:08:18,852 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:18,852 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:18,852 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:18,852 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-15 20:08:18,852 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:08:18,853 INFO L130 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 loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-15 20:08:18,919 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:18,920 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,921 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,921 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,922 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,936 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:18,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:18,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:18,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:18,939 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:18,952 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:18,971 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:18,994 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:08:18,994 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:18,994 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:18,994 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:18,994 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:18,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:19,008 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:08:19,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:19,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:19,008 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:19,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:19,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:19,010 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:19,026 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:19,027 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:19,027 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:19,027 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:19,027 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:19,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:19,032 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:19,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:19,032 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:19,032 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:19,032 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:19,033 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:23,089 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:23,120 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:23,120 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,120 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,120 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,120 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,124 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:23,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,124 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:23,129 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:23,142 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:23,143 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,143 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,143 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,143 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,145 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:23,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,146 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,146 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:23,151 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:23,176 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-15 20:08:23,176 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,176 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,176 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,176 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,201 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-15 20:08:23,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,204 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,205 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:23,241 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:23,262 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-15 20:08:23,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:23,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:23,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:23,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:23,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,295 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-15 20:08:23,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:23,296 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:23,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:23,297 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:23,303 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:27,393 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:27,423 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:27,424 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38f98bb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:27, skipping insertion in model container [2024-09-15 20:08:27,424 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:27,426 INFO L158 Benchmark]: Toolchain (without parser) took 9738.51ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 44.6MB in the beginning and 50.7MB in the end (delta: -6.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-09-15 20:08:27,426 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:27,427 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 46.3MB in the end (delta: 225.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:27,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.51ms. Allocated memory is still 69.2MB. Free memory was 44.3MB in the beginning and 30.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:27,428 INFO L158 Benchmark]: Boogie Preprocessor took 70.19ms. Allocated memory is still 69.2MB. Free memory was 30.1MB in the beginning and 27.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:27,428 INFO L158 Benchmark]: RCFGBuilder took 752.70ms. Allocated memory is still 69.2MB. Free memory was 27.9MB in the beginning and 33.9MB in the end (delta: -6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-15 20:08:27,429 INFO L158 Benchmark]: Referee took 8580.71ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 33.9MB in the beginning and 50.7MB in the end (delta: -16.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-09-15 20:08:27,431 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory is still 29.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 46.3MB in the end (delta: 225.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.51ms. Allocated memory is still 69.2MB. Free memory was 44.3MB in the beginning and 30.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.19ms. Allocated memory is still 69.2MB. Free memory was 30.1MB in the beginning and 27.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 752.70ms. Allocated memory is still 69.2MB. Free memory was 27.9MB in the beginning and 33.9MB in the end (delta: -6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 8580.71ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 33.9MB in the beginning and 50.7MB in the end (delta: -16.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:27,473 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