./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.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-dev-a9b967e-m [2024-09-11 20:51:06,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:06,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:06,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:06,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:06,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:06,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:06,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:06,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:06,344 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:06,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:06,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:06,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:06,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:06,347 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:06,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:06,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:06,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:06,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:06,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:06,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:06,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:06,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:06,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:06,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:06,351 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:06,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:06,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:06,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:06,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:06,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:06,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:06,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:06,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:06,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:06,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:06,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:06,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:06,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:06,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:06,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:06,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:06,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:06,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:06,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:06,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:06,620 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:06,622 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:06,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-11 20:51:06,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:06,672 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:06,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-11 20:51:08,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:08,246 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:08,247 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-11 20:51:08,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bcdcb8231/04fe5adc51b64529ad4a2d8b101f48b2/FLAG6a6710267 [2024-09-11 20:51:08,270 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bcdcb8231/04fe5adc51b64529ad4a2d8b101f48b2 [2024-09-11 20:51:08,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:08,272 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:08,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:08,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:08,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:08,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:06" (1/2) ... [2024-09-11 20:51:08,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b195e7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:08, skipping insertion in model container [2024-09-11 20:51:08,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:06" (1/2) ... [2024-09-11 20:51:08,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6245521f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:08, skipping insertion in model container [2024-09-11 20:51:08,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:08" (2/2) ... [2024-09-11 20:51:08,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b195e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08, skipping insertion in model container [2024-09-11 20:51:08,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:08" (2/2) ... [2024-09-11 20:51:08,293 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:08,293 INFO L1541 ArrayList]: Loop invariant at [L36-L49] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:51:08,294 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:08,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:08,466 WARN L247 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_unwindbound100.c[537,550] [2024-09-11 20:51:08,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:08,488 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:08,523 WARN L247 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_unwindbound100.c[537,550] Start Parsing Local [2024-09-11 20:51:08,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:08,552 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:08,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08 WrapperNode [2024-09-11 20:51:08,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:08,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:08,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:08,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:08,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,578 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,599 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 [2024-09-11 20:51:08,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:08,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:08,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:08,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:08,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (1/1) ... [2024-09-11 20:51:08,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:08,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:08,654 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) [2024-09-11 20:51:08,660 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 [2024-09-11 20:51:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:08,775 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:08,779 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:08,976 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:09,023 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:09,024 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:09,045 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:09,045 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:09,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:09 BoogieIcfgContainer [2024-09-11 20:51:09,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:09,048 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:09,049 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:09,050 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:09,050 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:06" (1/4) ... [2024-09-11 20:51:09,052 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11bef6ea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:09, skipping insertion in model container [2024-09-11 20:51:09,052 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:08" (2/4) ... [2024-09-11 20:51:09,052 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11bef6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:09, skipping insertion in model container [2024-09-11 20:51:09,053 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:08" (3/4) ... [2024-09-11 20:51:09,053 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11bef6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:09, skipping insertion in model container [2024-09-11 20:51:09,053 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:09" (4/4) ... [2024-09-11 20:51:09,054 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-11 20:51:09,060 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:09,060 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:51:09,061 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:09,061 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:09,061 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:09,061 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:09,061 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:09,062 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:51:09,124 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:09,125 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:09,126 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:09,126 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:09,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:09,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:09,217 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:09,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:09,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:09,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:09,227 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:09,254 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:13,298 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:13,329 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:13,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:13,329 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:13,329 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:13,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:13,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,339 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:13,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,340 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:13,340 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:13,340 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:13,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:17,348 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:17,361 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:17,361 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:17,361 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:17,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:17,362 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:17,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,367 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:17,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:17,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:17,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:17,368 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:17,377 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:17,387 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:17,388 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:17,388 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:17,388 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:17,388 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:17,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,390 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:17,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:17,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:17,390 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:17,390 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:17,392 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:17,401 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:17,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:17,402 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:17,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:17,402 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:17,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,409 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:17,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,409 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:17,410 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:17,410 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:17,410 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:17,411 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:17,425 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:17,425 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:17,426 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:17,426 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:17,427 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:17,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,462 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:51:17,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:17,464 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:17,464 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:17,471 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:21,479 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:21,483 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:21,483 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11bef6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:21, skipping insertion in model container [2024-09-11 20:51:21,483 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:21,485 INFO L158 Benchmark]: Toolchain (without parser) took 13212.29ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 102.8MB in the end (delta: 5.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:21,485 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:21,486 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:21,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.52ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 93.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:21,487 INFO L158 Benchmark]: Boogie Preprocessor took 67.46ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 91.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:21,487 INFO L158 Benchmark]: RCFGBuilder took 425.33ms. Allocated memory is still 167.8MB. Free memory was 91.3MB in the beginning and 75.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:21,488 INFO L158 Benchmark]: Referee took 12435.08ms. Allocated memory is still 167.8MB. Free memory was 75.4MB in the beginning and 102.8MB in the end (delta: -27.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:21,490 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 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.52ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 93.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.46ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 91.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.33ms. Allocated memory is still 167.8MB. Free memory was 91.3MB in the beginning and 75.4MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12435.08ms. Allocated memory is still 167.8MB. Free memory was 75.4MB in the beginning and 102.8MB in the end (delta: -27.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:21,512 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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.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-dev-a9b967e-m [2024-09-11 20:51:23,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:23,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:23,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:23,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:23,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:23,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:23,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:23,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:23,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:23,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:23,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:23,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:23,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:23,684 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:23,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:23,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:23,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:23,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:23,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:23,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:23,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:23,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:23,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:23,693 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:23,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:23,693 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:23,693 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:23,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:23,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:23,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:23,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:23,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:23,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:23,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:23,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:23,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:23,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:23,698 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:23,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:23,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:23,699 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:23,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:23,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:23,700 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:23,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:23,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:24,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:24,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:24,007 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:24,008 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:24,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-11 20:51:24,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:24,067 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:24,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-11 20:51:25,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:25,792 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:25,793 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-11 20:51:25,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0b0430b1f/6c21b7555c7f45639b93699948debee1/FLAG9f119fdf9 [2024-09-11 20:51:25,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0b0430b1f/6c21b7555c7f45639b93699948debee1 [2024-09-11 20:51:25,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:25,819 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:25,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:25,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:25,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:25,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:24" (1/2) ... [2024-09-11 20:51:25,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369428ea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:25, skipping insertion in model container [2024-09-11 20:51:25,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:24" (1/2) ... [2024-09-11 20:51:25,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@154fa7f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:25, skipping insertion in model container [2024-09-11 20:51:25,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:25" (2/2) ... [2024-09-11 20:51:25,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369428ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:25, skipping insertion in model container [2024-09-11 20:51:25,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:25" (2/2) ... [2024-09-11 20:51:25,845 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:25,846 INFO L1541 ArrayList]: Loop invariant at [L36-L49] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:51:25,846 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:25,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:26,033 WARN L247 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_unwindbound100.c[537,550] [2024-09-11 20:51:26,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:26,076 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:26,116 WARN L247 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_unwindbound100.c[537,550] Start Parsing Local [2024-09-11 20:51:26,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:26,148 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:26,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26 WrapperNode [2024-09-11 20:51:26,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:26,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:26,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:26,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:26,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,171 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,180 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 [2024-09-11 20:51:26,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:26,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:26,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:26,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:26,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (1/1) ... [2024-09-11 20:51:26,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:26,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:26,231 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) [2024-09-11 20:51:26,234 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 [2024-09-11 20:51:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:26,360 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:26,362 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:26,765 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:26,801 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:26,801 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:26,829 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:26,829 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:26,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:26 BoogieIcfgContainer [2024-09-11 20:51:26,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:26,831 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:26,831 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:26,832 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:26,832 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:24" (1/4) ... [2024-09-11 20:51:26,833 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a738539 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:26, skipping insertion in model container [2024-09-11 20:51:26,834 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:25" (2/4) ... [2024-09-11 20:51:26,834 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a738539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:26, skipping insertion in model container [2024-09-11 20:51:26,834 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:26" (3/4) ... [2024-09-11 20:51:26,834 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a738539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:26, skipping insertion in model container [2024-09-11 20:51:26,834 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:26" (4/4) ... [2024-09-11 20:51:26,836 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-11 20:51:26,839 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:26,840 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:51:26,840 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:26,840 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:26,840 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:26,840 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:26,840 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:26,841 INFO L130 InvariantChecker]: Will check 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, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:51:26,888 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:26,892 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:26,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:26,893 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:26,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:26,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,947 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:26,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:26,948 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:26,948 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:26,948 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:26,960 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:31,002 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:31,028 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:31,028 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:31,028 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:31,028 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:31,028 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:31,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,047 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:31,047 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,047 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:31,047 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:31,047 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:31,047 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:31,092 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:31,118 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:31,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:31,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:31,119 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:31,119 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:31,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,122 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:31,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:31,123 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:31,123 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:31,123 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:31,127 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:31,138 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:31,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:31,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:31,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:31,139 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:31,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,140 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:31,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:31,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:31,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:31,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:31,142 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:31,153 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:31,153 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:31,153 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:31,153 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:31,154 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:31,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,160 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:31,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,160 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:31,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:31,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:31,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:31,190 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:31,202 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:31,202 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:31,202 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:31,203 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:31,203 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:31,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,222 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:51:31,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:31,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:31,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:31,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:31,232 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:31,237 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:31,240 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:31,240 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a738539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:31, skipping insertion in model container [2024-09-11 20:51:31,241 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:31,245 INFO L158 Benchmark]: Toolchain (without parser) took 5422.72ms. Allocated memory is still 75.5MB. Free memory was 38.9MB in the beginning and 31.1MB in the end (delta: 7.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,245 INFO L158 Benchmark]: Witness Parser took 0.90ms. Allocated memory is still 50.3MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:31,246 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:31,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.96ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 44.6MB in the end (delta: -5.9MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,248 INFO L158 Benchmark]: Boogie Preprocessor took 49.08ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,248 INFO L158 Benchmark]: RCFGBuilder took 630.87ms. Allocated memory is still 75.5MB. Free memory was 42.5MB in the beginning and 46.6MB in the end (delta: -4.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,249 INFO L158 Benchmark]: Referee took 4409.58ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 31.1MB in the end (delta: 15.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-09-11 20:51:31,251 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 36 to check that procedure precondition always holds at line 36. 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 loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.90ms. Allocated memory is still 50.3MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.96ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 44.6MB in the end (delta: -5.9MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.08ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 630.87ms. Allocated memory is still 75.5MB. Free memory was 42.5MB in the beginning and 46.6MB in the end (delta: -4.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Referee took 4409.58ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 31.1MB in the end (delta: 15.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:31,284 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