./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:32,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:32,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:32,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:32,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:32,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:32,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:32,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:32,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:32,948 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:32,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:32,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:32,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:32,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:32,949 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:32,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:32,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:32,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:32,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:32,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:32,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:32,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:32,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:32,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:32,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:32,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:32,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:32,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:32,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:32,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:32,957 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:32,957 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:32,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:32,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:32,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:32,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:32,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:32,960 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:32,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:32,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:32,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:32,961 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:32,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:32,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:33,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:33,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:33,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:33,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:33,192 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:33,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-20 20:11:34,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:34,793 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:34,794 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-20 20:11:34,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d434d63f4/a16e01438f974b6a8d4c41e1e30060fd/FLAG3be3d68c9 [2024-09-20 20:11:35,183 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d434d63f4/a16e01438f974b6a8d4c41e1e30060fd [2024-09-20 20:11:35,185 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:35,185 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:35,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-20 20:11:35,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:35,220 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:35,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:35,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:35,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:35,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:35" (1/2) ... [2024-09-20 20:11:35,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577cb141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:35, skipping insertion in model container [2024-09-20 20:11:35,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:35" (1/2) ... [2024-09-20 20:11:35,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54366fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:35, skipping insertion in model container [2024-09-20 20:11:35,228 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 08:11:35" (2/2) ... [2024-09-20 20:11:35,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577cb141 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:35, skipping insertion in model container [2024-09-20 20:11:35,228 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 08:11:35" (2/2) ... [2024-09-20 20:11:35,233 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:35,234 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 20:11:35,234 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:35,234 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:35,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:35,385 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-09-20 20:11:35,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:35,414 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:35,456 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-09-20 20:11:35,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:35,495 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:35,495 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:35 WrapperNode [2024-09-20 20:11:35,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:35,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:35,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:35,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:35,515 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,518 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,526 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,534 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 20:11:35,535 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,535 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,538 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,540 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,541 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,542 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:35,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:35,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:35,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:35,544 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 08:11:35" (1/1) ... [2024-09-20 20:11:35,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:35,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:35,576 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 20:11:35,579 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 20:11:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:35,632 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:35,633 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:35,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:35,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:35,719 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:35,721 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:35,901 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:35,916 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:35,936 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:35,936 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:35,937 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:35 BoogieIcfgContainer [2024-09-20 20:11:35,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:35,937 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:35,937 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:35,938 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:35,938 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:35" (1/4) ... [2024-09-20 20:11:35,938 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2bb40c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:35, skipping insertion in model container [2024-09-20 20:11:35,939 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 08:11:35" (2/4) ... [2024-09-20 20:11:35,939 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2bb40c5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:35, skipping insertion in model container [2024-09-20 20:11:35,943 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 08:11:35" (3/4) ... [2024-09-20 20:11:35,943 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2bb40c5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:35, skipping insertion in model container [2024-09-20 20:11:35,943 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 08:11:35" (4/4) ... [2024-09-20 20:11:35,944 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-20 20:11:35,951 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:35,954 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 20:11:35,954 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 20:11:35,954 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 20:11:35,954 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 20:11:35,955 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 20:11:35,955 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 20:11:35,955 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 20:11:35,955 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-20 20:11:35,987 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:35,988 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:35,988 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:35,989 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:35,989 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:35,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:35,997 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:35,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:35,998 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:35,998 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:35,998 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:36,002 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:36,019 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:36,038 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:36,038 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:36,039 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:36,039 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:36,039 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:36,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,055 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:36,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,055 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:36,055 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:36,055 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:36,058 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:36,060 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:36,080 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:36,080 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:36,080 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:36,080 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:36,080 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:36,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,086 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:36,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:36,087 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:36,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:36,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:36,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:40,095 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:40,108 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:40,108 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,108 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,108 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,108 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,110 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:40,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:40,113 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:40,120 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:40,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,121 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,121 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,122 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:40,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,123 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:40,124 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:40,132 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:40,132 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,140 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:40,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,140 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,140 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:40,143 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:40,150 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:40,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:40,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:40,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:40,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:40,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,167 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:40,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:40,167 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:40,168 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:40,168 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:40,173 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:44,175 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:44,181 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:44,182 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2bb40c5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:44, skipping insertion in model container [2024-09-20 20:11:44,182 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:44,183 INFO L158 Benchmark]: Toolchain (without parser) took 8962.13ms. Allocated memory is still 203.4MB. Free memory was 132.7MB in the beginning and 116.6MB in the end (delta: 16.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:44,184 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:44,184 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 203.4MB. Free memory was 134.8MB in the beginning and 134.5MB in the end (delta: 280.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:44,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.27ms. Allocated memory is still 203.4MB. Free memory was 132.4MB in the beginning and 118.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:44,185 INFO L158 Benchmark]: Boogie Preprocessor took 46.72ms. Allocated memory is still 203.4MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:44,185 INFO L158 Benchmark]: RCFGBuilder took 393.49ms. Allocated memory is still 203.4MB. Free memory was 116.5MB in the beginning and 161.7MB in the end (delta: -45.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:44,185 INFO L158 Benchmark]: Referee took 8244.70ms. Allocated memory is still 203.4MB. Free memory was 161.7MB in the beginning and 116.6MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-20 20:11:44,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from 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 main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 203.4MB. Free memory was 134.8MB in the beginning and 134.5MB in the end (delta: 280.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.27ms. Allocated memory is still 203.4MB. Free memory was 132.4MB in the beginning and 118.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.72ms. Allocated memory is still 203.4MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.49ms. Allocated memory is still 203.4MB. Free memory was 116.5MB in the beginning and 161.7MB in the end (delta: -45.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Referee took 8244.70ms. Allocated memory is still 203.4MB. Free memory was 161.7MB in the beginning and 116.6MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:44,218 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_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:46,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:46,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:46,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:46,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:46,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:46,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:46,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:46,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:46,171 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:46,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:46,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:46,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:46,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:46,172 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:46,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:46,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:46,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:46,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:46,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:46,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:46,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:46,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:46,175 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:46,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:46,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:46,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:46,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:46,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:46,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:46,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:46,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:46,177 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:46,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:46,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:46,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:46,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:46,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:46,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:46,179 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:46,179 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:46,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:46,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:46,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:46,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:46,182 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:46,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:46,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:46,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:46,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:46,458 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:46,459 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:46,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-20 20:11:46,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:46,508 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:46,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-20 20:11:47,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:48,143 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:48,144 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-20 20:11:48,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/12c2f0e86/0ebebe5ad7fb48c7bcc4f20c1f2ecf92/FLAGfc2c52e0e [2024-09-20 20:11:48,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/12c2f0e86/0ebebe5ad7fb48c7bcc4f20c1f2ecf92 [2024-09-20 20:11:48,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:48,165 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:48,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:48,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:48,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:48,170 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 08:11:46" (1/2) ... [2024-09-20 20:11:48,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490db0ec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:48, skipping insertion in model container [2024-09-20 20:11:48,171 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 08:11:46" (1/2) ... [2024-09-20 20:11:48,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41985080 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:48, skipping insertion in model container [2024-09-20 20:11:48,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:48" (2/2) ... [2024-09-20 20:11:48,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490db0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48, skipping insertion in model container [2024-09-20 20:11:48,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:48" (2/2) ... [2024-09-20 20:11:48,182 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:48,183 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 20:11:48,183 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:48,183 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:48,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:48,344 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-09-20 20:11:48,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:48,370 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:48,401 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] Start Parsing Local [2024-09-20 20:11:48,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:48,431 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:48,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48 WrapperNode [2024-09-20 20:11:48,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:48,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:48,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:48,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:48,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,447 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,455 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 20:11:48,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:48,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:48,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:48,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:48,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (1/1) ... [2024-09-20 20:11:48,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:48,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:48,492 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 20:11:48,493 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 20:11:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:48,584 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:48,586 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:49,159 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:49,178 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:49,202 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:49,203 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:49,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:49 BoogieIcfgContainer [2024-09-20 20:11:49,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:49,204 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:49,204 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:49,205 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:49,205 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 08:11:46" (1/4) ... [2024-09-20 20:11:49,205 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b22e692 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:49, skipping insertion in model container [2024-09-20 20:11:49,206 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:48" (2/4) ... [2024-09-20 20:11:49,206 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b22e692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:49, skipping insertion in model container [2024-09-20 20:11:49,206 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:48" (3/4) ... [2024-09-20 20:11:49,206 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b22e692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:49, skipping insertion in model container [2024-09-20 20:11:49,207 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:49" (4/4) ... [2024-09-20 20:11:49,208 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-20 20:11:49,211 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:49,212 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 20:11:49,212 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 20:11:49,212 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 20:11:49,213 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 20:11:49,213 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 20:11:49,213 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 20:11:49,213 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 20:11:49,213 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-20 20:11:49,262 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:49,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:49,263 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:49,263 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:49,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:49,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:49,274 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:49,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:49,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:49,276 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:49,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:49,283 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:49,296 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:49,314 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:49,315 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:49,315 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:49,315 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:49,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:49,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:49,326 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:49,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:49,327 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:49,327 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:49,327 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:49,327 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:49,328 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:49,342 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:49,342 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:49,342 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:49,342 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:49,343 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:49,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:49,350 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:49,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:49,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:49,353 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:49,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:49,354 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:53,392 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:53,433 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:53,433 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:53,433 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:53,433 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:53,434 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:53,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,436 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:53,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:53,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:53,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:53,437 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:53,438 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:53,455 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:53,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:53,458 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:53,458 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:53,458 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:53,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,460 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:53,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,460 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:53,460 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:53,460 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:53,460 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:53,465 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:53,485 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:53,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:53,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:53,488 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:53,488 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:53,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,507 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:53,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:53,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:53,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:53,509 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:53,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:55,067 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:55,082 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:55,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:55,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:55,083 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:55,083 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:55,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:55,111 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:55,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:55,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:55,112 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:55,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:55,115 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:59,192 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:59,220 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:59,221 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b22e692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:59, skipping insertion in model container [2024-09-20 20:11:59,221 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:59,222 INFO L158 Benchmark]: Toolchain (without parser) took 11056.83ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 41.1MB in the beginning and 92.7MB in the end (delta: -51.6MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,223 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 81.8MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:59,223 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:59,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.85ms. Allocated memory is still 81.8MB. Free memory was 40.8MB in the beginning and 50.5MB in the end (delta: -9.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,224 INFO L158 Benchmark]: Boogie Preprocessor took 38.36ms. Allocated memory is still 81.8MB. Free memory was 50.5MB in the beginning and 48.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,224 INFO L158 Benchmark]: RCFGBuilder took 732.83ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 48.4MB in the beginning and 95.2MB in the end (delta: -46.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,224 INFO L158 Benchmark]: Referee took 10016.98ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 92.7MB in the end (delta: 2.5MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-09-20 20:11:59,227 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 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 __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 0.22ms. Allocated memory is still 81.8MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.85ms. Allocated memory is still 81.8MB. Free memory was 40.8MB in the beginning and 50.5MB in the end (delta: -9.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.36ms. Allocated memory is still 81.8MB. Free memory was 50.5MB in the beginning and 48.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 732.83ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 48.4MB in the beginning and 95.2MB in the end (delta: -46.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Referee took 10016.98ms. Allocated memory is still 119.5MB. Free memory was 95.2MB in the beginning and 92.7MB in the end (delta: 2.5MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:59,265 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