This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:17,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:17,241 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:28:17,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:17,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:17,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:17,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:17,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:17,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:17,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:17,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:17,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:17,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:17,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:17,304 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:17,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:17,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:17,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:17,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:28:17,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:17,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:17,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:17,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:17,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:17,308 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:17,308 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:17,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:17,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:17,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:17,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:17,309 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:17,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:17,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:17,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:17,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:17,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:17,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:17,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:28:17,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:28:17,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:17,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:17,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:17,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:17,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:17,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:17,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:17,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:17,613 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:17,613 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:17,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-25 00:28:17,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:17,696 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:17,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-25 00:28:19,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:19,393 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:19,394 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-25 00:28:19,400 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/61b243046/57a7fb25fe1d4e568c74ad27805d53e9/FLAG8e530ed43 [2024-09-25 00:28:19,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/61b243046/57a7fb25fe1d4e568c74ad27805d53e9 [2024-09-25 00:28:19,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:19,416 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:19,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:19,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:19,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:19,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:17" (1/2) ... [2024-09-25 00:28:19,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e621e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:19, skipping insertion in model container [2024-09-25 00:28:19,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:17" (1/2) ... [2024-09-25 00:28:19,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a27ac95 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:19, skipping insertion in model container [2024-09-25 00:28:19,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:19" (2/2) ... [2024-09-25 00:28:19,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e621e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19, skipping insertion in model container [2024-09-25 00:28:19,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:19" (2/2) ... [2024-09-25 00:28:19,438 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:19,439 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-25 00:28:19,439 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:19,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:19,632 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/lcm2.c[537,550] [2024-09-25 00:28:19,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:19,671 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:28:19,725 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/lcm2.c[537,550] Start Parsing Local [2024-09-25 00:28:19,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:19,759 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:19,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19 WrapperNode [2024-09-25 00:28:19,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:19,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:19,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:19,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:19,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,800 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 [2024-09-25 00:28:19,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:19,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:19,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:19,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:19,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (1/1) ... [2024-09-25 00:28:19,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:19,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:19,860 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) [2024-09-25 00:28:19,862 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 [2024-09-25 00:28:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:28:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:28:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:19,963 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:19,965 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:20,211 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:20,226 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:20,251 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:20,252 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:28:20,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:20 BoogieIcfgContainer [2024-09-25 00:28:20,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:20,253 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:20,253 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:20,254 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:20,254 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:17" (1/4) ... [2024-09-25 00:28:20,255 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8bdd76a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:20, skipping insertion in model container [2024-09-25 00:28:20,255 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:19" (2/4) ... [2024-09-25 00:28:20,255 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8bdd76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:20, skipping insertion in model container [2024-09-25 00:28:20,255 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:19" (3/4) ... [2024-09-25 00:28:20,256 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8bdd76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:20, skipping insertion in model container [2024-09-25 00:28:20,256 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:20" (4/4) ... [2024-09-25 00:28:20,258 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-25 00:28:20,264 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:28:20,265 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:28:20,265 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:20,265 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:20,265 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:20,265 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:20,266 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:20,266 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, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-25 00:28:20,328 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:20,330 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:20,331 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:20,331 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:20,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:20,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:20,379 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:20,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:20,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:20,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:20,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:20,391 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:20,414 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:20,438 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:28:20,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:20,438 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:20,438 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:20,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:20,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:20,473 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:28:20,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:20,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:20,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:20,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:20,482 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:24,491 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:24,507 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:28:24,507 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:24,508 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:24,508 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:24,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:24,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:24,512 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:28:24,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:24,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:24,513 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:24,513 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:24,513 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:24,519 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:24,530 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:24,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:24,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:24,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:24,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:24,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:24,536 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:24,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:24,536 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:24,536 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:24,536 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:24,537 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:28,555 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:28,575 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:28,575 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:28,575 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:28,576 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:28,576 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:28,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:28,579 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:28,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:28,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:28,582 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:28,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:28,583 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:28,584 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:28,593 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:28,594 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:28,594 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:28,594 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:28,594 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:28,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:28,596 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:28,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:28,596 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:28,596 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:28,596 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:28,596 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:28,598 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:28,601 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:28:28,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8bdd76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:28, skipping insertion in model container [2024-09-25 00:28:28,602 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:28,604 INFO L158 Benchmark]: Toolchain (without parser) took 9187.32ms. Allocated memory is still 188.7MB. Free memory was 117.3MB in the beginning and 107.1MB in the end (delta: 10.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-09-25 00:28:28,604 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 83.2MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:28,605 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:28,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.51ms. Allocated memory is still 188.7MB. Free memory was 117.0MB in the beginning and 103.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:28,606 INFO L158 Benchmark]: Boogie Preprocessor took 66.38ms. Allocated memory is still 188.7MB. Free memory was 103.5MB in the beginning and 159.6MB in the end (delta: -56.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:28,606 INFO L158 Benchmark]: RCFGBuilder took 424.63ms. Allocated memory is still 188.7MB. Free memory was 159.6MB in the beginning and 142.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:28:28,607 INFO L158 Benchmark]: Referee took 8349.10ms. Allocated memory is still 188.7MB. Free memory was 142.7MB in the beginning and 107.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:28,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 83.2MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.51ms. Allocated memory is still 188.7MB. Free memory was 117.0MB in the beginning and 103.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.38ms. Allocated memory is still 188.7MB. Free memory was 103.5MB in the beginning and 159.6MB in the end (delta: -56.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * RCFGBuilder took 424.63ms. Allocated memory is still 188.7MB. Free memory was 159.6MB in the beginning and 142.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8349.10ms. Allocated memory is still 188.7MB. Free memory was 142.7MB in the beginning and 107.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:28:28,639 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:30,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:30,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:28:30,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:30,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:31,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:31,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:31,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:31,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:31,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:31,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:31,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:31,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:31,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:31,025 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:31,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:31,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:31,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:31,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:31,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:31,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:31,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:31,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:31,031 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:28:31,031 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:28:31,031 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:31,031 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:28:31,032 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:31,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:31,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:31,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:31,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:31,033 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:31,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:31,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:31,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:31,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:31,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:31,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:31,047 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:28:31,048 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:28:31,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:31,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:31,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:31,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:31,049 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:28:31,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:31,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:31,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:31,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:31,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:31,408 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:31,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-25 00:28:32,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:33,215 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:33,216 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-25 00:28:33,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/59f4f3a06/06f2eba8bd1e44a3878b01b902002ba8/FLAG87eacc038 [2024-09-25 00:28:33,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/59f4f3a06/06f2eba8bd1e44a3878b01b902002ba8 [2024-09-25 00:28:33,576 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:33,577 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:33,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-25 00:28:33,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:33,624 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:33,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:33,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:33,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:33,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:33" (1/2) ... [2024-09-25 00:28:33,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658dd282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:33, skipping insertion in model container [2024-09-25 00:28:33,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:33" (1/2) ... [2024-09-25 00:28:33,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d6e00e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:33, skipping insertion in model container [2024-09-25 00:28:33,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:33" (2/2) ... [2024-09-25 00:28:33,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658dd282 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:33, skipping insertion in model container [2024-09-25 00:28:33,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:33" (2/2) ... [2024-09-25 00:28:33,651 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:33,652 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-25 00:28:33,652 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:33,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:33,837 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/lcm2.c[537,550] [2024-09-25 00:28:33,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:33,875 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:28:33,924 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/lcm2.c[537,550] Start Parsing Local [2024-09-25 00:28:33,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:33,960 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:33,960 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:33 WrapperNode [2024-09-25 00:28:33,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:33,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:33,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:33,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:33,974 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:33,974 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:33,982 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:33,997 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 [2024-09-25 00:28:33,998 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:33,998 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:34,004 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:34,011 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:34,016 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:34,017 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:34,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:34,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:34,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:34,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:34,026 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 25.09 12:28:33" (1/1) ... [2024-09-25 00:28:34,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:34,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:34,059 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) [2024-09-25 00:28:34,062 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 [2024-09-25 00:28:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:34,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:28:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:28:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:28:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:34,189 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:34,192 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:34,840 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:34,857 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:34,890 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:34,890 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:28:34,890 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:34 BoogieIcfgContainer [2024-09-25 00:28:34,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:34,891 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:34,891 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:34,892 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:34,892 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:33" (1/4) ... [2024-09-25 00:28:34,893 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ca53dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:34, skipping insertion in model container [2024-09-25 00:28:34,893 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:33" (2/4) ... [2024-09-25 00:28:34,893 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ca53dc5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:34, skipping insertion in model container [2024-09-25 00:28:34,893 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 25.09 12:28:33" (3/4) ... [2024-09-25 00:28:34,893 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ca53dc5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:34, skipping insertion in model container [2024-09-25 00:28:34,894 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:34" (4/4) ... [2024-09-25 00:28:34,895 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-25 00:28:34,898 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:28:34,899 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:28:34,899 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:34,900 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:34,900 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:34,900 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:34,900 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:34,900 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-25 00:28:34,969 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:34,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:34,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:34,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:34,973 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:34,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:35,013 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:35,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:35,015 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:35,015 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:35,016 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:35,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:35,035 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:35,068 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:28:35,071 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:35,071 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:35,071 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:35,072 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:35,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:35,109 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:28:35,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:35,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:35,110 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:35,110 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:35,120 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:39,223 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:39,275 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:28:39,275 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:39,276 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:39,276 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:39,276 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:39,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:39,281 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:28:39,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:39,281 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:39,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:39,282 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:39,282 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:39,322 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:39,340 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:39,340 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:39,341 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:39,341 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:39,341 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:39,341 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:39,345 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:39,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:39,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:39,346 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:39,346 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:39,346 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,407 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:43,434 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:43,435 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,435 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,435 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,435 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,438 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:43,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,440 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,448 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:43,465 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:43,467 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,467 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,468 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,468 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,470 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:43,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,471 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,471 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,472 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,472 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,474 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:43,478 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:28:43,479 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ca53dc5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:43, skipping insertion in model container [2024-09-25 00:28:43,479 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:43,481 INFO L158 Benchmark]: Toolchain (without parser) took 9855.76ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 40.8MB in the beginning and 45.4MB in the end (delta: -4.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-09-25 00:28:43,481 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 48.2MB. Free memory was 23.4MB in the beginning and 23.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:43,482 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:43,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.75ms. Allocated memory is still 67.1MB. Free memory was 40.6MB in the beginning and 44.3MB in the end (delta: -3.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:43,484 INFO L158 Benchmark]: Boogie Preprocessor took 60.65ms. Allocated memory is still 67.1MB. Free memory was 44.3MB in the beginning and 42.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:28:43,484 INFO L158 Benchmark]: RCFGBuilder took 867.72ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 44.4MB in the end (delta: -2.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-25 00:28:43,485 INFO L158 Benchmark]: Referee took 8587.72ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 44.4MB in the beginning and 45.4MB in the end (delta: -1.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-09-25 00:28:43,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. 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 13. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. 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 exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 48.2MB. Free memory was 23.4MB in the beginning and 23.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.75ms. Allocated memory is still 67.1MB. Free memory was 40.6MB in the beginning and 44.3MB in the end (delta: -3.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.65ms. Allocated memory is still 67.1MB. Free memory was 44.3MB in the beginning and 42.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 867.72ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 44.4MB in the end (delta: -2.2MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Referee took 8587.72ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 44.4MB in the beginning and 45.4MB in the end (delta: -1.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:28:43,550 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...