./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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 20:51:03,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:03,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:03,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:03,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:03,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:03,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:03,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:03,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:03,543 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:03,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:03,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:03,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:03,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:03,545 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:03,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:03,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:03,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:03,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:03,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:03,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:03,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:03,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:03,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:03,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:03,552 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:03,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:03,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:03,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:03,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:03,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:03,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:03,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:03,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:03,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:03,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:03,555 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:03,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:03,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:03,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:03,556 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:03,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:03,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:03,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:03,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:03,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:03,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:03,774 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:03,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-11 20:51:05,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:05,304 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:05,304 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-11 20:51:05,311 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3a1fb746e/9f58cd223c9c401681d5046df084299d/FLAGd056f48c7 [2024-09-11 20:51:05,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3a1fb746e/9f58cd223c9c401681d5046df084299d [2024-09-11 20:51:05,332 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:05,334 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:05,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-11 20:51:05,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:05,375 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:05,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:05,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:05,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:05,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:05" (1/2) ... [2024-09-11 20:51:05,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31755cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:05, skipping insertion in model container [2024-09-11 20:51:05,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:05" (1/2) ... [2024-09-11 20:51:05,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@489fdb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:05, skipping insertion in model container [2024-09-11 20:51:05,387 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 08:51:05" (2/2) ... [2024-09-11 20:51:05,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31755cd2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05, skipping insertion in model container [2024-09-11 20:51:05,387 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 08:51:05" (2/2) ... [2024-09-11 20:51:05,395 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:05,396 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 20:51:05,396 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:05,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:05,539 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_unwindbound10.c[537,550] [2024-09-11 20:51:05,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:05,568 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:05,603 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_unwindbound10.c[537,550] Start Parsing Local [2024-09-11 20:51:05,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:05,626 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:05,626 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05 WrapperNode [2024-09-11 20:51:05,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:05,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:05,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:05,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:05,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,642 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,653 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 20:51:05,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:05,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:05,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:05,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:05,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (1/1) ... [2024-09-11 20:51:05,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:05,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:05,696 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 20:51:05,709 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 20:51:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:05,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:05,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:05,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:05,830 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:05,833 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:06,000 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:06,045 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:06,046 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:06,064 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:06,066 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:06,066 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:06 BoogieIcfgContainer [2024-09-11 20:51:06,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:06,067 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:06,067 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:06,067 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:06,067 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:05" (1/4) ... [2024-09-11 20:51:06,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a9b9ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:06, skipping insertion in model container [2024-09-11 20:51:06,068 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 08:51:05" (2/4) ... [2024-09-11 20:51:06,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a9b9ff1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:06, skipping insertion in model container [2024-09-11 20:51:06,068 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:05" (3/4) ... [2024-09-11 20:51:06,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a9b9ff1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:06, skipping insertion in model container [2024-09-11 20:51:06,070 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:06" (4/4) ... [2024-09-11 20:51:06,071 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-11 20:51:06,075 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:06,076 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 20:51:06,076 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 20:51:06,077 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 20:51:06,077 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 20:51:06,077 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 20:51:06,077 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 20:51:06,078 INFO L130 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 [2024-09-11 20:51:06,123 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:06,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:06,128 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:06,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:06,131 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:06,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:06,195 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:06,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:06,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:06,197 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:06,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:06,210 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:10,228 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:10,241 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:10,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:10,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:10,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:10,244 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:10,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:10,251 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:10,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:10,251 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:10,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:10,251 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:10,252 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:14,254 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:14,272 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:14,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:14,273 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:14,274 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:14,274 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:14,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,277 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:14,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,278 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:14,278 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:14,278 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:14,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:14,283 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:14,295 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:14,295 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:14,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:14,296 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:14,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:14,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,298 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:14,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,300 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:14,301 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:14,301 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:14,301 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:14,302 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:14,313 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:14,314 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:14,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:14,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:14,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:14,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,320 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:14,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,322 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:14,322 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:14,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:14,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:14,325 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:14,338 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:14,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:14,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:14,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:14,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:14,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,365 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:51:14,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:14,365 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:14,366 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:14,366 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:14,371 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:18,383 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:18,388 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:18,388 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a9b9ff1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:18, skipping insertion in model container [2024-09-11 20:51:18,388 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:18,390 INFO L158 Benchmark]: Toolchain (without parser) took 13014.44ms. Allocated memory is still 172.0MB. Free memory was 99.0MB in the beginning and 88.9MB in the end (delta: 10.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:18,390 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:18,390 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:18,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.96ms. Allocated memory is still 172.0MB. Free memory was 98.8MB in the beginning and 85.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:18,391 INFO L158 Benchmark]: Boogie Preprocessor took 39.40ms. Allocated memory is still 172.0MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:18,391 INFO L158 Benchmark]: RCFGBuilder took 398.92ms. Allocated memory is still 172.0MB. Free memory was 83.1MB in the beginning and 131.2MB in the end (delta: -48.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:18,392 INFO L158 Benchmark]: Referee took 12321.82ms. Allocated memory is still 172.0MB. Free memory was 131.2MB in the beginning and 88.9MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-11 20:51:18,393 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 37. 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 36. 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 172.0MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.96ms. Allocated memory is still 172.0MB. Free memory was 98.8MB in the beginning and 85.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.40ms. Allocated memory is still 172.0MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.92ms. Allocated memory is still 172.0MB. Free memory was 83.1MB in the beginning and 131.2MB in the end (delta: -48.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Referee took 12321.82ms. Allocated memory is still 172.0MB. Free memory was 131.2MB in the beginning and 88.9MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:18,412 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/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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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 20:51:20,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:20,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:20,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:20,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:20,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:20,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:20,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:20,454 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:20,455 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:20,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:20,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:20,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:20,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:20,458 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:20,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:20,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:20,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:20,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:20,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:20,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:20,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:20,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:20,464 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:20,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:20,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:20,464 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:20,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:20,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:20,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:20,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:20,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:20,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:20,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:20,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:20,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:20,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:20,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:20,467 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:20,467 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:20,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:20,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:20,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:20,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:20,470 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:20,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:20,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:20,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:20,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:20,741 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:20,746 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:20,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-11 20:51:20,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:20,793 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:20,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-11 20:51:22,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:22,318 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:22,319 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-11 20:51:22,325 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a4a9db245/fa6c85235a7245e6b520c698473af9bc/FLAG517bf2de0 [2024-09-11 20:51:22,731 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a4a9db245/fa6c85235a7245e6b520c698473af9bc [2024-09-11 20:51:22,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:22,733 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:22,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:22,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:22,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:22,746 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 08:51:20" (1/2) ... [2024-09-11 20:51:22,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dd18d6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:22, skipping insertion in model container [2024-09-11 20:51:22,747 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 08:51:20" (1/2) ... [2024-09-11 20:51:22,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e34d3e1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:22, skipping insertion in model container [2024-09-11 20:51:22,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:22" (2/2) ... [2024-09-11 20:51:22,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dd18d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:22, skipping insertion in model container [2024-09-11 20:51:22,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:22" (2/2) ... [2024-09-11 20:51:22,762 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:22,766 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 20:51:22,767 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:22,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:23,016 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_unwindbound10.c[537,550] [2024-09-11 20:51:23,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:23,066 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:23,133 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_unwindbound10.c[537,550] Start Parsing Local [2024-09-11 20:51:23,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:23,182 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:23,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23 WrapperNode [2024-09-11 20:51:23,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:23,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:23,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:23,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:23,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,220 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,227 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 20:51:23,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:23,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:23,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:23,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:23,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (1/1) ... [2024-09-11 20:51:23,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:23,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:23,265 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 20:51:23,271 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 20:51:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:23,388 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:23,390 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:23,804 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:23,867 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:23,867 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:23,903 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:23,907 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:23,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:23 BoogieIcfgContainer [2024-09-11 20:51:23,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:23,908 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:23,910 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:23,911 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:23,911 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 08:51:20" (1/4) ... [2024-09-11 20:51:23,912 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@385645d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,912 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:22" (2/4) ... [2024-09-11 20:51:23,912 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@385645d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,912 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:23" (3/4) ... [2024-09-11 20:51:23,912 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@385645d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:23, skipping insertion in model container [2024-09-11 20:51:23,912 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:23" (4/4) ... [2024-09-11 20:51:23,913 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-11 20:51:23,915 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:23,917 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 20:51:23,917 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 20:51:23,918 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 20:51:23,918 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 20:51:23,918 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 20:51:23,918 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 20:51:23,918 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:51:23,964 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:23,965 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:23,978 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:23,979 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:23,980 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:23,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,009 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:24,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,017 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,054 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:24,072 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:24,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:24,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:24,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:24,073 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:24,073 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,081 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:24,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,081 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,082 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,082 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,082 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,109 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:24,126 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:24,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:24,126 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:24,126 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:24,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:24,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,129 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:24,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,130 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,130 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,130 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,130 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,142 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:24,152 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:24,152 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:24,152 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:24,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:24,153 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:24,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,155 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:24,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,155 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,157 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:24,172 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:24,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:24,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:24,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:24,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:24,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,186 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:24,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,187 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,219 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:24,229 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:24,229 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:24,229 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:24,230 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:24,230 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:24,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,247 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:51:24,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,247 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,248 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,248 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,253 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:24,256 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:24,257 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@385645d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:24, skipping insertion in model container [2024-09-11 20:51:24,257 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:24,258 INFO L158 Benchmark]: Toolchain (without parser) took 1524.87ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 46.8MB in the beginning and 68.7MB in the end (delta: -21.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,258 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:24,259 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:24,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.33ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 58.5MB in the end (delta: -12.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,259 INFO L158 Benchmark]: Boogie Preprocessor took 52.90ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,260 INFO L158 Benchmark]: RCFGBuilder took 665.73ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 39.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,260 INFO L158 Benchmark]: Referee took 348.55ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 39.6MB in the beginning and 68.7MB in the end (delta: -29.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 36 to loop head 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 loop head at line 36 to check that procedure precondition always holds at line 36. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.33ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 58.5MB in the end (delta: -12.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.90ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.73ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 39.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 348.55ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 39.6MB in the beginning and 68.7MB in the end (delta: -29.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:24,286 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