./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:16,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:16,757 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:16,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:16,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:16,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:16,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:16,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:16,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:16,788 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:16,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:16,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:16,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:16,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:16,789 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:16,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:16,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:16,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:16,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:16,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:16,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:16,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:16,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:16,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:16,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:16,792 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:16,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:16,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:16,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:16,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:16,793 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:16,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:16,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:16,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:16,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:16,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:16,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:16,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:16,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:16,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:16,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:16,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:16,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:16,795 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:17,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:17,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:17,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:17,022 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:17,023 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:17,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml [2024-09-25 11:48:17,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:17,066 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:17,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-25 11:48:18,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:18,394 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:18,394 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-25 11:48:18,400 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/931a59610/c3bb45bd95d94c5bbf713cb6d7ebe17c/FLAGfe493fa02 [2024-09-25 11:48:18,812 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/931a59610/c3bb45bd95d94c5bbf713cb6d7ebe17c [2024-09-25 11:48:18,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:18,816 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:18,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:18,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:18,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:18,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:17" (1/2) ... [2024-09-25 11:48:18,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1d4508 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:18, skipping insertion in model container [2024-09-25 11:48:18,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:17" (1/2) ... [2024-09-25 11:48:18,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70407c9f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:18, skipping insertion in model container [2024-09-25 11:48:18,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:18" (2/2) ... [2024-09-25 11:48:18,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1d4508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18, skipping insertion in model container [2024-09-25 11:48:18,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:18" (2/2) ... [2024-09-25 11:48:18,830 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:18,831 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)) [2024-09-25 11:48:18,831 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:48:18,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:18,970 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_valuebound10.c[537,550] [2024-09-25 11:48:18,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:18,994 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:48:19,026 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_valuebound10.c[537,550] Start Parsing Local [2024-09-25 11:48:19,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:19,047 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:19,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19 WrapperNode [2024-09-25 11:48:19,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:19,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:19,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:19,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:19,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,077 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:19,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:19,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:19,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:19,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:19,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (1/1) ... [2024-09-25 11:48:19,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:19,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:19,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:48:19,125 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:48:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:19,240 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:19,250 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:19,492 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:19,509 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:19,533 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:19,534 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:19,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:19 BoogieIcfgContainer [2024-09-25 11:48:19,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:19,535 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:19,535 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:19,535 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:19,536 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:17" (1/4) ... [2024-09-25 11:48:19,536 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@435a8f9b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,536 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:18" (2/4) ... [2024-09-25 11:48:19,537 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@435a8f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,537 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19" (3/4) ... [2024-09-25 11:48:19,537 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@435a8f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,537 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:19" (4/4) ... [2024-09-25 11:48:19,538 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound10.c [2024-09-25 11:48:19,540 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:19,541 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:19,541 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:19,541 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:19,541 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:19,541 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:19,541 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:19,542 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:19,577 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:19,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,611 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:19,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,612 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:19,612 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:19,612 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:19,618 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:19,633 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:19,654 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:19,656 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:19,656 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:19,656 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:19,656 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:19,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,661 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:19,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:19,661 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:19,661 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:19,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:19,661 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,665 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:23,676 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:23,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,677 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,679 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:23,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,680 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,685 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:23,694 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:23,694 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,694 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,694 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,694 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,695 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:23,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,696 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,696 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,696 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,697 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:23,705 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:23,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,711 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:23,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,714 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,714 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,714 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,721 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:23,730 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:23,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,731 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,731 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,731 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,748 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:23,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,749 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,754 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:27,759 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:27,766 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:27,766 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@435a8f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:27, skipping insertion in model container [2024-09-25 11:48:27,766 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:27,768 INFO L158 Benchmark]: Toolchain (without parser) took 8951.16ms. Allocated memory is still 157.3MB. Free memory was 105.3MB in the beginning and 79.3MB in the end (delta: 26.0MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,768 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 80.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,768 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:27,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.07ms. Allocated memory is still 157.3MB. Free memory was 105.3MB in the beginning and 91.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,769 INFO L158 Benchmark]: Boogie Preprocessor took 41.57ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 89.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,769 INFO L158 Benchmark]: RCFGBuilder took 442.18ms. Allocated memory is still 157.3MB. Free memory was 89.2MB in the beginning and 116.3MB in the end (delta: -27.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,770 INFO L158 Benchmark]: Referee took 8231.90ms. Allocated memory is still 157.3MB. Free memory was 116.3MB in the beginning and 79.3MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:27,771 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 80.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.07ms. Allocated memory is still 157.3MB. Free memory was 105.3MB in the beginning and 91.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.57ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 89.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.18ms. Allocated memory is still 157.3MB. Free memory was 89.2MB in the beginning and 116.3MB in the end (delta: -27.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 8231.90ms. Allocated memory is still 157.3MB. Free memory was 116.3MB in the beginning and 79.3MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:27,790 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:29,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:29,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:29,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:29,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:29,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:29,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:29,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:29,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:29,606 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:29,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:29,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:29,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:29,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:29,609 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:29,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:29,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:29,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:29,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:29,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:29,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:29,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:29,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:29,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:29,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:29,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:29,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:29,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:29,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:29,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:29,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:29,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:29,612 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:29,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:29,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:29,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:29,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:29,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:29,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:29,613 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:29,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:29,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:29,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:29,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:29,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:29,615 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:29,615 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:29,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:29,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:29,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:29,850 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:29,850 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:29,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml [2024-09-25 11:48:29,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:29,898 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:29,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-25 11:48:31,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:31,303 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:31,304 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-25 11:48:31,310 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/add876039/91ff810a7284478b9faaa6bbb46ea227/FLAG545127245 [2024-09-25 11:48:31,720 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/add876039/91ff810a7284478b9faaa6bbb46ea227 [2024-09-25 11:48:31,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:31,721 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:31,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:31,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:31,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:31,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:29" (1/2) ... [2024-09-25 11:48:31,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6517bef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:31, skipping insertion in model container [2024-09-25 11:48:31,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:29" (1/2) ... [2024-09-25 11:48:31,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69c55d20 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:31, skipping insertion in model container [2024-09-25 11:48:31,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:31" (2/2) ... [2024-09-25 11:48:31,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6517bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31, skipping insertion in model container [2024-09-25 11:48:31,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:31" (2/2) ... [2024-09-25 11:48:31,738 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:31,739 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)) [2024-09-25 11:48:31,739 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:48:31,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:31,876 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c[537,550] [2024-09-25 11:48:31,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:31,907 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:48:31,944 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_valuebound10.c[537,550] Start Parsing Local [2024-09-25 11:48:31,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:31,964 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:31,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31 WrapperNode [2024-09-25 11:48:31,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:31,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:31,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:31,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:31,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:31,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:31,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:31,993 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:31,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:31,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:32,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:32,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:32,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:32,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:32,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:32,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:32,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:32,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:32,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (1/1) ... [2024-09-25 11:48:32,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:32,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:32,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:48:32,040 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:48:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:32,134 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:32,137 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:32,563 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:32,582 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:32,604 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:32,604 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:32,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:32 BoogieIcfgContainer [2024-09-25 11:48:32,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:32,605 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:32,605 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:32,605 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:32,606 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:29" (1/4) ... [2024-09-25 11:48:32,606 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64536ed5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,606 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:31" (2/4) ... [2024-09-25 11:48:32,606 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64536ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,606 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:31" (3/4) ... [2024-09-25 11:48:32,607 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64536ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,607 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:32" (4/4) ... [2024-09-25 11:48:32,608 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound10.c [2024-09-25 11:48:32,610 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:32,611 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:32,611 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:32,611 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:32,611 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:32,611 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:32,611 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:32,611 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-25 11:48:32,645 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:32,645 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:32,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:32,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:32,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:32,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,671 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:32,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,672 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:32,672 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:32,672 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:32,675 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:32,685 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:32,699 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:32,699 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:32,699 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:32,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:32,700 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:32,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,703 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:32,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:32,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:32,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:32,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:32,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:36,739 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:36,765 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:36,765 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:36,765 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:36,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:36,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:36,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:36,771 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:36,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:36,771 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:36,771 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:36,772 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:36,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:36,779 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:36,787 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:36,787 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:36,788 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:36,788 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:36,788 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:36,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:36,789 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:36,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:36,789 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:36,789 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:36,789 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:36,789 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:36,794 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:36,801 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:36,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:36,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:36,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:36,802 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:36,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:36,805 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:36,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:36,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:36,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:36,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:36,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:40,825 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:40,839 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:40,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:40,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:40,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:40,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:40,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:40,850 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:40,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:40,854 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:40,854 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:40,854 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:40,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:44,942 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:44,967 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:44,968 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64536ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:44, skipping insertion in model container [2024-09-25 11:48:44,968 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:44,970 INFO L158 Benchmark]: Toolchain (without parser) took 13247.88ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 34.8MB in the end (delta: 17.8MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-09-25 11:48:44,970 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 30.7MB in the beginning and 30.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:44,970 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 58.7MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:44,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.74ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 59.5MB in the end (delta: -7.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:44,971 INFO L158 Benchmark]: Boogie Preprocessor took 44.45ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 57.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:44,971 INFO L158 Benchmark]: RCFGBuilder took 593.70ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 42.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:44,972 INFO L158 Benchmark]: Referee took 12363.23ms. Allocated memory is still 81.8MB. Free memory was 42.1MB in the beginning and 34.8MB in the end (delta: 7.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-09-25 11:48:44,973 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 entry of procedure main 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. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 30.7MB in the beginning and 30.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 58.7MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.74ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 59.5MB in the end (delta: -7.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.45ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 57.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.70ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 42.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12363.23ms. Allocated memory is still 81.8MB. Free memory was 42.1MB in the beginning and 34.8MB in the end (delta: 7.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:45,010 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN