./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/mannadiv.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv.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/mannadiv.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv.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 20:48:02,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:02,492 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:02,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:02,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:02,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:02,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:02,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:02,525 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:02,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:02,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:02,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:02,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:02,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:02,526 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:02,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:02,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:02,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:02,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:02,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:02,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:02,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:02,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:02,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:02,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:02,532 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:02,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:02,535 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:02,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:02,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:02,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:02,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:02,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:02,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:02,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:02,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:02,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:02,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:02,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:02,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:02,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:02,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:02,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:02,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:02,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:02,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:02,735 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:02,736 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:02,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv.yml/witness-2.1.yml [2024-09-11 20:48:02,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:02,775 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:02,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/mannadiv.c [2024-09-11 20:48:03,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:04,098 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:04,098 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/mannadiv.c [2024-09-11 20:48:04,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6025a7ef9/320217c6b6074dcc954385aa23e76b18/FLAG7b03de15e [2024-09-11 20:48:04,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6025a7ef9/320217c6b6074dcc954385aa23e76b18 [2024-09-11 20:48:04,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:04,516 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:04,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:04,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:04,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:04,521 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 08:48:02" (1/2) ... [2024-09-11 20:48:04,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280942b9 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 20:48:04,522 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 08:48:02" (1/2) ... [2024-09-11 20:48:04,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79f515f1 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 20:48:04,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:04" (2/2) ... [2024-09-11 20:48:04,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280942b9 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 20:48:04,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:04" (2/2) ... [2024-09-11 20:48:04,529 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:04,530 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (x1 == ((((long long) x2 * y1) + y2) + y3)) [2024-09-11 20:48:04,530 INFO L1541 ArrayList]: Function contract at [L15]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:04,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:04,657 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/mannadiv.c[573,586] [2024-09-11 20:48:04,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:04,675 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:04,700 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/mannadiv.c[573,586] Start Parsing Local [2024-09-11 20:48:04,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:04,720 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:04,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04 WrapperNode [2024-09-11 20:48:04,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:04,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:04,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:04,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:04,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,745 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 20:48:04,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:04,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:04,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:04,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:04,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:04,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:04,793 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 20:48:04,796 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 20:48:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:04,890 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:04,893 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:04,993 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:05,030 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:05,031 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:05,047 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:05,048 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:05,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:05 BoogieIcfgContainer [2024-09-11 20:48:05,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:05,049 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:05,049 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:05,050 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:05,050 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:02" (1/4) ... [2024-09-11 20:48:05,050 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64444c5b 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 20:48:05,050 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:04" (2/4) ... [2024-09-11 20:48:05,051 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64444c5b 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 20:48:05,051 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (3/4) ... [2024-09-11 20:48:05,051 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64444c5b 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 20:48:05,051 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 20:48:05,052 INFO L79 RefereeObserver]: Analyzing ICFG mannadiv.c [2024-09-11 20:48:05,057 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:05,058 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:05,058 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:05,058 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:05,058 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:05,058 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 20:48:05,058 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 20:48:05,059 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 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 [2024-09-11 20:48:05,089 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:48:05,089 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,090 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,090 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,091 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,125 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:48:05,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,131 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,144 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:05,156 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:05,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,157 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,157 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,164 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:05,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,165 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,165 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,165 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,169 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:05,178 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:05,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,187 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:05,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,189 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,191 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:05,198 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:05,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,198 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,200 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:05,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,201 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,201 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,201 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,202 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:05,208 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:05,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,212 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:05,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,213 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,214 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:05,220 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:05,220 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,220 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,221 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,221 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,221 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,222 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:05,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,223 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,224 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:05,226 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:05,227 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64444c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,227 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:05,228 INFO L158 Benchmark]: Toolchain (without parser) took 711.24ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 63.1MB in the end (delta: 49.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,228 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:05,228 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:05,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.71ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 98.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,229 INFO L158 Benchmark]: Boogie Preprocessor took 43.49ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,229 INFO L158 Benchmark]: RCFGBuilder took 283.00ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 82.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,230 INFO L158 Benchmark]: Referee took 177.82ms. Allocated memory is still 167.8MB. Free memory was 82.7MB in the beginning and 63.1MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,232 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 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 17. 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 loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.71ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 98.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.49ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.00ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 82.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 177.82ms. Allocated memory is still 167.8MB. Free memory was 82.7MB in the beginning and 63.1MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:05,251 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/mannadiv.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv.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 20:48:07,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:07,111 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:07,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:07,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:07,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:07,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:07,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:07,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:07,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:07,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:07,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:07,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:07,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:07,149 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:07,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:07,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:07,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:07,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:07,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:07,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:07,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:07,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:07,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:07,153 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:07,153 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:07,153 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:07,153 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:07,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:07,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:07,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:07,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:07,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:07,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:07,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:07,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:07,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:07,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:07,155 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:07,155 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:07,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:07,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:07,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:07,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:07,158 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:07,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:07,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:07,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:07,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:07,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:07,422 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:07,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/mannadiv.c [2024-09-11 20:48:08,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:08,809 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:08,809 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/mannadiv.c [2024-09-11 20:48:08,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5b59aefb6/b4c2e78381594d76b375d7fc3cabd102/FLAG9eac75828 [2024-09-11 20:48:08,835 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5b59aefb6/b4c2e78381594d76b375d7fc3cabd102 [2024-09-11 20:48:08,838 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:08,839 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:08,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mannadiv.yml/witness-2.1.yml [2024-09-11 20:48:08,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:08,895 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:08,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:08,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:08,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:08,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:08" (1/2) ... [2024-09-11 20:48:08,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a0c9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:08" (1/2) ... [2024-09-11 20:48:08,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bd281ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,909 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 08:48:08" (2/2) ... [2024-09-11 20:48:08,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a0c9dc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:08, skipping insertion in model container [2024-09-11 20:48:08,910 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 08:48:08" (2/2) ... [2024-09-11 20:48:08,920 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:08,920 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (x1 == ((((long long) x2 * y1) + y2) + y3)) [2024-09-11 20:48:08,921 INFO L1541 ArrayList]: Function contract at [L15]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:08,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:09,105 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/mannadiv.c[573,586] [2024-09-11 20:48:09,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:09,138 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:09,179 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/mannadiv.c[573,586] Start Parsing Local [2024-09-11 20:48:09,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:09,206 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:09,207 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09 WrapperNode [2024-09-11 20:48:09,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:09,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:09,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:09,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:09,219 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,220 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,228 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,239 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 20:48:09,239 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,240 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,245 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,252 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,254 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,258 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:09,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:09,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:09,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:09,261 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 08:48:09" (1/1) ... [2024-09-11 20:48:09,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:09,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:09,298 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 20:48:09,310 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 20:48:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:09,430 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:09,432 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:09,914 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:09,950 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:09,951 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:09,972 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:09,972 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:09,972 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:09 BoogieIcfgContainer [2024-09-11 20:48:09,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:09,973 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:09,973 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:09,974 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:09,974 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:08" (1/4) ... [2024-09-11 20:48:09,975 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@415c1b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,975 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 08:48:08" (2/4) ... [2024-09-11 20:48:09,975 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@415c1b06 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,975 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 08:48:09" (3/4) ... [2024-09-11 20:48:09,975 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@415c1b06 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,976 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 08:48:09" (4/4) ... [2024-09-11 20:48:09,979 INFO L79 RefereeObserver]: Analyzing ICFG mannadiv.c [2024-09-11 20:48:09,982 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:09,983 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:09,983 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:09,983 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:09,984 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:09,984 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 20:48:09,984 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 20:48:09,984 INFO L130 InvariantChecker]: Will check 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, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:48:10,023 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:48:10,028 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:10,028 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:10,028 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:10,030 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:10,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:10,095 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:48:10,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:10,096 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:10,096 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:10,096 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:10,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:13,787 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:13,787 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:13,787 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:13,787 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:13,787 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:13,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,792 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:13,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,793 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:13,793 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:13,793 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:13,793 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:13,797 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:13,810 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:13,811 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:13,811 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:13,811 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:13,812 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:13,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,818 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:13,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:13,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:13,818 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:13,820 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:13,822 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:13,830 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:13,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:13,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:13,831 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:13,831 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:13,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,833 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:13,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:13,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:13,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:13,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:13,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:17,850 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:17,871 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:17,872 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:17,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:17,873 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:17,873 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:17,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,875 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:17,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,875 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:17,875 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:17,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:17,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:17,881 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:17,886 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:17,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:17,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:17,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:17,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:17,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,888 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:17,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,888 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:17,888 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:17,888 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:17,888 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:17,889 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:17,894 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:48:17,895 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@415c1b06 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:17, skipping insertion in model container [2024-09-11 20:48:17,895 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:17,896 INFO L158 Benchmark]: Toolchain (without parser) took 9000.28ms. Allocated memory is still 86.0MB. Free memory was 52.3MB in the beginning and 43.5MB in the end (delta: 8.7MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:17,896 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:17,897 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:17,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.62ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 60.7MB in the end (delta: -8.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:17,897 INFO L158 Benchmark]: Boogie Preprocessor took 51.24ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 58.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:17,898 INFO L158 Benchmark]: RCFGBuilder took 712.23ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 43.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:17,898 INFO L158 Benchmark]: Referee took 7921.73ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 50.7kB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:17,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 35 to loop head at line 35. One counterexample starts in x1=1, x2=-2147483646, y1=2, y2=2147483647, y3=2147483646 and ends in . 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 17. 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 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.62ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 60.7MB in the end (delta: -8.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.24ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 58.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.23ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 43.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 7921.73ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 50.7kB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:17,934 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE