./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/lcm2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.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/lcm2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.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 20:48:02,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:02,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:02,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:02,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:02,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:02,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:02,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:02,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:02,740 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:02,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:02,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:02,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:02,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:02,742 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:02,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:02,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:02,743 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:02,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:02,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:02,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:02,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:02,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:02,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:02,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:02,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:02,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:02,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:02,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:02,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:02,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:02,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:02,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:02,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:02,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:02,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:02,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:02,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:02,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:02,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:02,758 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:02,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:02,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:02,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:03,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:03,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:03,007 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:03,007 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:03,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-11 20:48:03,056 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:03,057 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:03,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-11 20:48:04,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:04,500 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:04,500 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-11 20:48:04,508 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2965f9728/f73921fb637e4338823f2f2171964377/FLAG4d2514ea9 [2024-09-11 20:48:04,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2965f9728/f73921fb637e4338823f2f2171964377 [2024-09-11 20:48:04,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:04,906 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:04,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:04,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:04,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:04,913 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 08:48:03" (1/2) ... [2024-09-11 20:48:04,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa9a55f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,914 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 08:48:03" (1/2) ... [2024-09-11 20:48:04,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1edadf47 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:04" (2/2) ... [2024-09-11 20:48:04,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa9a55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:04" (2/2) ... [2024-09-11 20:48:04,924 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:04,925 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:48:04,925 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:04,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:05,067 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/lcm2.c[537,550] [2024-09-11 20:48:05,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:05,090 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:05,118 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/lcm2.c[537,550] Start Parsing Local [2024-09-11 20:48:05,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:05,138 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:05,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05 WrapperNode [2024-09-11 20:48:05,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:05,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:05,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:05,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:05,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,178 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 20:48:05,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:05,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:05,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:05,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:05,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:05,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:05,223 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 20:48:05,226 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 20:48:05,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:05,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:05,265 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:05,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:05,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:05,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:48:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:05,322 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:05,324 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:05,476 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:05,512 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:05,512 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:05,530 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:05,530 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:05,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:05 BoogieIcfgContainer [2024-09-11 20:48:05,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:05,531 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:05,531 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:05,532 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:05,532 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 08:48:03" (1/4) ... [2024-09-11 20:48:05,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@377372b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,533 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:04" (2/4) ... [2024-09-11 20:48:05,533 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@377372b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,533 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (3/4) ... [2024-09-11 20:48:05,533 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@377372b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,533 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:05" (4/4) ... [2024-09-11 20:48:05,534 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-11 20:48:05,537 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:05,538 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:05,538 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:05,539 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 20:48:05,539 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:05,539 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 20:48:05,539 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 20:48:05,539 INFO L130 InvariantChecker]: Will check 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, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:48:05,597 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:05,602 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,602 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,603 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,604 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,633 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:05,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,635 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,635 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,643 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,657 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:05,682 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:48:05,682 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,682 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,682 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,682 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,720 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:48:05,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,721 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,729 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:09,742 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:09,765 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:09,765 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:09,765 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:09,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:09,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:09,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,776 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:09,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,777 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:09,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:09,778 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:09,778 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:09,783 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:09,794 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:09,795 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:09,796 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:09,796 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:09,796 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:09,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,800 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:09,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:09,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:09,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:09,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:09,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:13,808 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:13,849 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:13,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:13,849 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:13,849 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:13,849 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:13,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,851 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:13,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:13,852 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:13,852 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:13,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:13,856 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:13,863 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:13,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:13,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:13,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:13,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:13,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,865 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:13,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:13,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:13,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:13,865 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:13,867 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:13,870 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:48:13,870 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@377372b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:13, skipping insertion in model container [2024-09-11 20:48:13,870 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:13,872 INFO L158 Benchmark]: Toolchain (without parser) took 8965.32ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 107.6MB in the beginning and 183.0MB in the end (delta: -75.4MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:13,872 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:13,873 INFO L158 Benchmark]: CDTParser took 1.23ms. Allocated memory is still 167.8MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:13,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.52ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 93.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:13,873 INFO L158 Benchmark]: Boogie Preprocessor took 52.51ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:13,874 INFO L158 Benchmark]: RCFGBuilder took 338.16ms. Allocated memory is still 167.8MB. Free memory was 91.6MB in the beginning and 75.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:13,874 INFO L158 Benchmark]: Referee took 8339.39ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 75.6MB in the beginning and 183.0MB in the end (delta: -107.3MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:13,877 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 35 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 35 to loop head at line 35. 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 main to loop head at line 35. 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 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.23ms. Allocated memory is still 167.8MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.52ms. Allocated memory is still 167.8MB. Free memory was 107.2MB in the beginning and 93.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.51ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.16ms. Allocated memory is still 167.8MB. Free memory was 91.6MB in the beginning and 75.6MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8339.39ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 75.6MB in the beginning and 183.0MB in the end (delta: -107.3MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:13,895 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/lcm2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.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 20:48:15,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:15,856 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:15,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:15,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:15,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:15,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:15,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:15,877 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:15,878 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:15,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:15,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:15,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:15,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:15,881 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:15,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:15,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:15,882 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:15,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:15,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:15,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:15,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:15,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:15,885 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:15,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:15,887 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:15,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:15,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:15,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:15,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:15,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:15,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:15,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:15,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:15,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:15,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:15,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:15,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:15,890 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:15,890 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:15,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:15,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:15,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:15,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:15,892 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:15,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:16,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:16,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:16,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:16,179 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:16,179 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:16,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-11 20:48:16,225 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:16,226 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:16,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-11 20:48:17,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:17,785 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:17,785 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-11 20:48:17,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/680f82de8/3f51b7e9aeaf4b169d549fef6b75fd1a/FLAGea6dc4876 [2024-09-11 20:48:17,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/680f82de8/3f51b7e9aeaf4b169d549fef6b75fd1a [2024-09-11 20:48:17,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:17,809 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:17,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:17,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:17,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:17,816 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 08:48:16" (1/2) ... [2024-09-11 20:48:17,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603b3a1f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:17, skipping insertion in model container [2024-09-11 20:48:17,820 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 08:48:16" (1/2) ... [2024-09-11 20:48:17,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64c51972 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:17, skipping insertion in model container [2024-09-11 20:48:17,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:17" (2/2) ... [2024-09-11 20:48:17,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603b3a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:17, skipping insertion in model container [2024-09-11 20:48:17,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:17" (2/2) ... [2024-09-11 20:48:17,828 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:17,828 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:48:17,828 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:17,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:17,991 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/lcm2.c[537,550] [2024-09-11 20:48:18,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:18,029 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:18,064 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/lcm2.c[537,550] Start Parsing Local [2024-09-11 20:48:18,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:18,093 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:18,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18 WrapperNode [2024-09-11 20:48:18,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:18,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:18,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:18,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:18,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,125 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 20:48:18,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:18,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:18,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:18,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:18,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (1/1) ... [2024-09-11 20:48:18,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:18,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:18,177 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 20:48:18,180 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 20:48:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:48:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:18,287 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:18,289 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:18,630 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:18,687 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:18,688 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:18,723 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:18,723 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:18,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:18 BoogieIcfgContainer [2024-09-11 20:48:18,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:18,725 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:18,725 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:18,725 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:18,726 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 08:48:16" (1/4) ... [2024-09-11 20:48:18,726 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8333a04 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:18, skipping insertion in model container [2024-09-11 20:48:18,726 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:17" (2/4) ... [2024-09-11 20:48:18,727 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8333a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:18, skipping insertion in model container [2024-09-11 20:48:18,727 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:18" (3/4) ... [2024-09-11 20:48:18,728 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8333a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:18, skipping insertion in model container [2024-09-11 20:48:18,728 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:18" (4/4) ... [2024-09-11 20:48:18,729 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-11 20:48:18,733 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:18,734 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:18,734 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:18,734 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 20:48:18,734 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:18,735 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 20:48:18,735 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 20:48:18,735 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, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:18,789 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:18,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:18,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:18,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:18,794 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:18,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:18,827 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:18,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:18,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:18,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:18,830 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:18,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:18,844 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:18,875 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:48:18,876 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:18,876 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:18,876 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:18,876 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:18,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:18,923 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:48:18,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:18,923 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:18,923 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:18,923 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:18,931 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:18,937 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:18,953 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:18,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:18,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:18,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:18,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:18,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:18,958 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:18,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:18,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:18,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:18,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:18,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:18,990 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:19,000 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:19,000 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:19,000 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:19,000 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:19,000 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:19,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:19,003 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:19,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:19,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:19,003 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:19,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:19,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:23,029 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:23,047 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:23,047 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:23,047 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:23,047 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:23,047 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:23,047 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:23,049 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:23,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:23,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:23,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:23,049 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:23,050 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:23,051 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:23,062 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:23,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:23,062 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:23,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:23,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:23,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:23,064 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:23,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:23,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:23,064 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:23,064 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:23,064 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:23,066 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:23,071 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:48:23,072 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8333a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:23, skipping insertion in model container [2024-09-11 20:48:23,072 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:23,074 INFO L158 Benchmark]: Toolchain (without parser) took 5264.05ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 45.1MB in the beginning and 70.1MB in the end (delta: -25.0MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:23,075 INFO L158 Benchmark]: Witness Parser took 0.93ms. Allocated memory is still 48.2MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:23,075 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:23,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.87ms. Allocated memory is still 75.5MB. Free memory was 44.9MB in the beginning and 51.0MB in the end (delta: -6.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:23,077 INFO L158 Benchmark]: Boogie Preprocessor took 51.49ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 48.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:23,078 INFO L158 Benchmark]: RCFGBuilder took 576.59ms. Allocated memory is still 75.5MB. Free memory was 48.5MB in the beginning and 32.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:23,078 INFO L158 Benchmark]: Referee took 4347.52ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 32.4MB in the beginning and 70.1MB in the end (delta: -37.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:23,081 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 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.93ms. Allocated memory is still 48.2MB. Free memory was 28.9MB in the beginning and 28.8MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.87ms. Allocated memory is still 75.5MB. Free memory was 44.9MB in the beginning and 51.0MB in the end (delta: -6.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.49ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 48.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 576.59ms. Allocated memory is still 75.5MB. Free memory was 48.5MB in the beginning and 32.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4347.52ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 32.4MB in the beginning and 70.1MB in the end (delta: -37.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:23,110 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN