./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:55,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:55,385 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:55,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:55,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:55,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:55,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:55,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:55,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:55,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:55,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:55,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:55,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:55,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:55,416 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:55,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:55,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:55,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:55,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:55,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:55,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:55,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:55,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:55,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:55,421 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:55,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:55,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:55,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:55,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:55,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:55,422 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:55,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:55,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:55,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:55,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:55,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:55,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:55,423 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:55,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:55,423 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:55,423 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:55,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:55,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:55,424 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:55,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:55,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:55,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:55,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:55,629 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:55,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-21 12:49:56,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:56,928 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:56,930 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-21 12:49:56,938 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/017ae1459/fb2d413a90494da7bc522203a300508b/FLAG327283c52 [2024-09-21 12:49:57,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/017ae1459/fb2d413a90494da7bc522203a300508b [2024-09-21 12:49:57,353 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:57,354 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:57,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml [2024-09-21 12:49:57,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:57,391 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:57,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:57,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:57,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:57,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:57" (1/2) ... [2024-09-21 12:49:57,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cdd472f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:57, skipping insertion in model container [2024-09-21 12:49:57,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:57" (1/2) ... [2024-09-21 12:49:57,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@721faaa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:57, skipping insertion in model container [2024-09-21 12:49:57,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:57" (2/2) ... [2024-09-21 12:49:57,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cdd472f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:57, skipping insertion in model container [2024-09-21 12:49:57,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:57" (2/2) ... [2024-09-21 12:49:57,410 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:57,411 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-21 12:49:57,413 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:57,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:57,529 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c[537,550] [2024-09-21 12:49:57,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:57,549 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:49:57,573 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c[537,550] Start Parsing Local [2024-09-21 12:49:57,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:57,594 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:57,595 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:57 WrapperNode [2024-09-21 12:49:57,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:57,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:57,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:57,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:57,605 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,605 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,611 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,623 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 [2024-09-21 12:49:57,623 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,623 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,626 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,632 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,633 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,634 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:57,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:57,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:57,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:57,641 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 21.09 12:49:57" (1/1) ... [2024-09-21 12:49:57,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:57,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:57,671 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) [2024-09-21 12:49:57,676 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 [2024-09-21 12:49:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:57,794 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:57,796 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:57,957 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:57,970 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:57,989 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:57,989 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:49:57,990 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:57 BoogieIcfgContainer [2024-09-21 12:49:57,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:57,990 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:57,990 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:57,991 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:57,991 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:57" (1/4) ... [2024-09-21 12:49:57,991 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66cc1a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:57, skipping insertion in model container [2024-09-21 12:49:57,992 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:57" (2/4) ... [2024-09-21 12:49:57,992 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66cc1a1e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:57, skipping insertion in model container [2024-09-21 12:49:57,992 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 21.09 12:49:57" (3/4) ... [2024-09-21 12:49:57,992 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66cc1a1e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:57, skipping insertion in model container [2024-09-21 12:49:57,992 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:57" (4/4) ... [2024-09-21 12:49:57,993 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound10.c [2024-09-21 12:49:57,997 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:49:57,998 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:49:57,998 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:57,998 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:57,998 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:57,998 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:49:57,999 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:57,999 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:49:58,040 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:58,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:58,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:58,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:58,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:58,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,068 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:58,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:58,069 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:58,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:58,076 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:58,086 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:58,100 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:58,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:58,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:58,101 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:58,101 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:58,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,108 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:58,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:58,108 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:58,108 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:58,109 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:58,109 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,113 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:02,124 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:02,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,124 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,126 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:02,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,127 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,127 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,132 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:02,144 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:02,144 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,144 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,144 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,146 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:02,146 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,146 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,146 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,146 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,148 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:02,155 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:02,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,156 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,159 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:02,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,160 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:02,162 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:02,173 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:02,173 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:02,174 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:02,174 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:02,174 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:02,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,193 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:02,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:02,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:02,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:02,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:02,201 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:06,212 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:06,218 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:06,218 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@66cc1a1e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:06, skipping insertion in model container [2024-09-21 12:50:06,218 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:06,220 INFO L158 Benchmark]: Toolchain (without parser) took 8827.52ms. Allocated memory is still 169.9MB. Free memory was 118.5MB in the beginning and 89.9MB in the end (delta: 28.6MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,220 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 58.0MB in the beginning and 57.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:06,220 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:06,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.81ms. Allocated memory is still 169.9MB. Free memory was 118.5MB in the beginning and 104.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,221 INFO L158 Benchmark]: Boogie Preprocessor took 39.24ms. Allocated memory is still 169.9MB. Free memory was 104.7MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,222 INFO L158 Benchmark]: RCFGBuilder took 354.41ms. Allocated memory is still 169.9MB. Free memory was 102.6MB in the beginning and 126.8MB in the end (delta: -24.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,222 INFO L158 Benchmark]: Referee took 8228.03ms. Allocated memory is still 169.9MB. Free memory was 126.8MB in the beginning and 89.9MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:06,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from 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 entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 58.0MB in the beginning and 57.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.81ms. Allocated memory is still 169.9MB. Free memory was 118.5MB in the beginning and 104.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.24ms. Allocated memory is still 169.9MB. Free memory was 104.7MB in the beginning and 102.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.41ms. Allocated memory is still 169.9MB. Free memory was 102.6MB in the beginning and 126.8MB in the end (delta: -24.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 8228.03ms. Allocated memory is still 169.9MB. Free memory was 126.8MB in the beginning and 89.9MB in the end (delta: 36.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:06,242 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:07,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:07,950 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:07,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:07,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:07,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:07,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:07,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:07,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:07,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:07,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:07,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:07,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:07,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:07,989 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:07,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:07,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:07,990 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:07,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:07,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:07,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:07,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:07,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:07,993 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:07,993 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:07,994 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:07,994 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:07,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:07,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:07,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:07,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:07,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:07,996 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:07,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:07,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:07,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:07,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:07,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:07,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:07,998 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:07,998 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:07,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:07,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:07,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:07,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:07,999 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:07,999 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:08,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:08,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:08,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:08,277 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:08,278 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:08,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound10.yml/witness-2.1.yml [2024-09-21 12:50:08,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:08,317 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:08,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-21 12:50:09,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:09,783 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:09,784 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c [2024-09-21 12:50:09,790 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3b15a7710/01ece24a269347fcbde365f7ee5f4233/FLAGd87c88f13 [2024-09-21 12:50:09,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3b15a7710/01ece24a269347fcbde365f7ee5f4233 [2024-09-21 12:50:09,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:09,805 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:09,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:09,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:09,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:09,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:08" (1/2) ... [2024-09-21 12:50:09,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680269b9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:09, skipping insertion in model container [2024-09-21 12:50:09,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:08" (1/2) ... [2024-09-21 12:50:09,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65925f56 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:09, skipping insertion in model container [2024-09-21 12:50:09,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:09" (2/2) ... [2024-09-21 12:50:09,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680269b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:09, skipping insertion in model container [2024-09-21 12:50:09,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:09" (2/2) ... [2024-09-21 12:50:09,824 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:09,827 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-21 12:50:09,827 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:09,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:09,982 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c[537,550] [2024-09-21 12:50:10,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:10,015 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:50:10,048 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound10.c[537,550] Start Parsing Local [2024-09-21 12:50:10,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:10,074 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:10,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10 WrapperNode [2024-09-21 12:50:10,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:10,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:10,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:10,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:10,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,097 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,108 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 [2024-09-21 12:50:10,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:10,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:10,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:10,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:10,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (1/1) ... [2024-09-21 12:50:10,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:10,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:10,148 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) [2024-09-21 12:50:10,150 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 [2024-09-21 12:50:10,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:10,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:10,247 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:10,250 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:10,683 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:10,697 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:10,729 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:10,730 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:10,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:10 BoogieIcfgContainer [2024-09-21 12:50:10,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:10,731 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:10,731 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:10,732 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:10,732 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:08" (1/4) ... [2024-09-21 12:50:10,733 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3cf43956 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:10, skipping insertion in model container [2024-09-21 12:50:10,736 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:09" (2/4) ... [2024-09-21 12:50:10,736 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3cf43956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:10, skipping insertion in model container [2024-09-21 12:50:10,736 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:10" (3/4) ... [2024-09-21 12:50:10,737 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3cf43956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:10, skipping insertion in model container [2024-09-21 12:50:10,737 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:10" (4/4) ... [2024-09-21 12:50:10,738 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound10.c [2024-09-21 12:50:10,742 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:10,744 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:10,744 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:10,744 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:10,744 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:10,745 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:10,745 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:10,746 INFO L131 InvariantChecker]: Will check 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, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:50:10,790 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:10,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:10,791 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:10,791 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:10,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:10,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:10,826 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:10,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:10,828 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:10,828 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:10,828 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:10,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:10,846 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:10,873 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:10,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:10,874 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:10,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:10,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:10,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:10,880 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:10,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:10,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:10,882 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:10,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:10,882 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:14,928 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:14,952 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:14,952 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:14,952 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:14,952 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:14,952 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:14,952 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,955 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:14,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:14,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:14,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:14,956 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:14,961 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:14,976 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:14,979 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:14,979 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:14,979 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:14,980 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:14,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,981 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:14,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,984 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:14,984 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:14,984 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:14,984 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:14,985 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:14,994 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:14,994 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:14,994 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:14,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:14,995 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:14,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,998 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:14,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:14,999 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:14,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:14,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:14,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:19,016 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:19,032 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:19,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:19,032 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:19,032 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:19,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:19,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:19,048 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:19,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:19,048 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:19,048 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:19,049 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:19,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:23,130 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:23,157 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:23,157 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3cf43956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:23, skipping insertion in model container [2024-09-21 12:50:23,157 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:23,159 INFO L158 Benchmark]: Toolchain (without parser) took 13352.91ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 34.8MB in the end (delta: 15.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:23,160 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:23,160 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 31.6MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:23,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.51ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 57.7MB in the end (delta: -7.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-09-21 12:50:23,162 INFO L158 Benchmark]: Boogie Preprocessor took 49.29ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:23,162 INFO L158 Benchmark]: RCFGBuilder took 605.04ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 40.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:23,162 INFO L158 Benchmark]: Referee took 12426.35ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 34.8MB in the end (delta: 5.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-09-21 12:50:23,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 31.6MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.51ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 57.7MB in the end (delta: -7.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.29ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.04ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 40.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12426.35ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 34.8MB in the end (delta: 5.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:23,204 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