This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:32,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:32,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:32,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:32,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:32,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:32,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:32,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:32,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:32,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:32,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:32,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:32,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:32,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:32,331 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:32,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:32,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:32,332 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:32,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:32,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:32,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:32,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:32,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:32,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:32,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:32,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:32,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:32,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:32,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:32,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:32,337 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:32,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:32,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:32,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:32,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:32,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:32,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:32,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:32,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:32,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:32,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:32,340 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:32,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:32,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:32,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:32,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:32,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:32,573 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:32,574 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:32,574 INFO L431 ainManager$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 [2024-09-21 12:48:32,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:32,645 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:32,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-21 12:48:34,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:34,165 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:34,165 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-21 12:48:34,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4d1b95979/cb46e7d3ea914a648016526b6c49a39a/FLAG1fd516f90 [2024-09-21 12:48:34,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4d1b95979/cb46e7d3ea914a648016526b6c49a39a [2024-09-21 12:48:34,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:34,588 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:34,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:34,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:34,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:34,594 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 12:48:32" (1/2) ... [2024-09-21 12:48:34,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280942b9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:34, skipping insertion in model container [2024-09-21 12:48:34,595 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 12:48:32" (1/2) ... [2024-09-21 12:48:34,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79f515f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:34, skipping insertion in model container [2024-09-21 12:48:34,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:34" (2/2) ... [2024-09-21 12:48:34,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280942b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34, skipping insertion in model container [2024-09-21 12:48:34,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:34" (2/2) ... [2024-09-21 12:48:34,602 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:34,602 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)) [2024-09-21 12:48:34,602 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:34,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:34,742 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] [2024-09-21 12:48:34,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:34,776 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:48:34,807 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 [2024-09-21 12:48:34,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:34,827 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:34,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34 WrapperNode [2024-09-21 12:48:34,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:34,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:34,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:34,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:34,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,848 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,861 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 12:48:34,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:34,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:34,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:34,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:34,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (1/1) ... [2024-09-21 12:48:34,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:34,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:34,906 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 12:48:34,909 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 12:48:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:35,005 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:35,010 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:35,224 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:35,236 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:35,272 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:35,276 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:48:35,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:35 BoogieIcfgContainer [2024-09-21 12:48:35,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:35,277 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:35,279 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:35,280 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:35,280 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 12:48:32" (1/4) ... [2024-09-21 12:48:35,281 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a5a9fbf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:35, skipping insertion in model container [2024-09-21 12:48:35,281 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:34" (2/4) ... [2024-09-21 12:48:35,281 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a5a9fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:35, skipping insertion in model container [2024-09-21 12:48:35,281 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:34" (3/4) ... [2024-09-21 12:48:35,281 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a5a9fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:35, skipping insertion in model container [2024-09-21 12:48:35,281 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:35" (4/4) ... [2024-09-21 12:48:35,282 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-21 12:48:35,285 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:48:35,289 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:48:35,289 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:35,289 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:35,290 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:35,290 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 12:48:35,290 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 12:48:35,290 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-21 12:48:35,327 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:48:35,328 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:35,332 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:35,332 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:35,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:35,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:35,363 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:48:35,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:35,364 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:35,364 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:35,365 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:35,371 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:35,390 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:35,408 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:48:35,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:35,409 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:35,409 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:35,409 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:35,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:35,435 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:48:35,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:35,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:35,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:35,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:35,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:39,452 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:48:39,468 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:48:39,469 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:39,469 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:39,469 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:39,469 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:39,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:39,474 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:48:39,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:39,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:39,477 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:39,478 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:39,478 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:39,486 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:39,500 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:39,501 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:39,501 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:39,502 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:39,502 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:39,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:39,505 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:39,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:39,506 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:39,506 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:39,506 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:39,507 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:43,510 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:48:43,525 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:43,525 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:43,532 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:43,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:43,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:43,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:43,535 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:43,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:43,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:43,535 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:43,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:43,536 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:43,537 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:43,543 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:43,543 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:43,543 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:43,543 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:43,543 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:43,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:43,544 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:43,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:43,545 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:43,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:43,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:43,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:43,547 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:43,550 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:48:43,552 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@a5a9fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:48:43, skipping insertion in model container [2024-09-21 12:48:43,552 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:48:43,553 INFO L158 Benchmark]: Toolchain (without parser) took 8964.19ms. Allocated memory is still 205.5MB. Free memory was 131.8MB in the beginning and 129.2MB in the end (delta: 2.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-09-21 12:48:43,554 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 205.5MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:43,554 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 205.5MB. Free memory is still 178.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:43,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.07ms. Allocated memory is still 205.5MB. Free memory was 131.5MB in the beginning and 117.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:43,556 INFO L158 Benchmark]: Boogie Preprocessor took 50.09ms. Allocated memory is still 205.5MB. Free memory was 117.9MB in the beginning and 116.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:43,557 INFO L158 Benchmark]: RCFGBuilder took 397.29ms. Allocated memory is still 205.5MB. Free memory was 115.8MB in the beginning and 165.9MB in the end (delta: -50.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:43,557 INFO L158 Benchmark]: Referee took 8274.63ms. Allocated memory is still 205.5MB. Free memory was 165.9MB in the beginning and 129.2MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-21 12:48:43,560 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 loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. 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: * Witness Parser took 0.14ms. Allocated memory is still 205.5MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 205.5MB. Free memory is still 178.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.07ms. Allocated memory is still 205.5MB. Free memory was 131.5MB in the beginning and 117.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.09ms. Allocated memory is still 205.5MB. Free memory was 117.9MB in the beginning and 116.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.29ms. Allocated memory is still 205.5MB. Free memory was 115.8MB in the beginning and 165.9MB in the end (delta: -50.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Referee took 8274.63ms. Allocated memory is still 205.5MB. Free memory was 165.9MB in the beginning and 129.2MB in the end (delta: 36.7MB). 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 12:48:43,584 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:45,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:45,782 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:48:45,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:45,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:45,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:45,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:45,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:45,821 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:45,822 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:45,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:45,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:45,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:45,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:45,825 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:45,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:45,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:45,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:45,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:45,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:45,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:45,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:45,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:45,831 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:48:45,831 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:48:45,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:45,831 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:48:45,832 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:45,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:45,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:45,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:45,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:45,833 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:45,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:45,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:45,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:45,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:45,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:45,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:45,834 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:48:45,835 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:48:45,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:45,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:45,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:45,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:45,836 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:48:45,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:46,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:46,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:46,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:46,133 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:46,134 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:46,135 INFO L431 ainManager$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 [2024-09-21 12:48:46,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:46,178 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:46,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-21 12:48:47,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:47,814 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:47,815 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-21 12:48:47,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dc02f2afd/fb1539edd6a8488fb94eefba7db41f46/FLAG464eacc04 [2024-09-21 12:48:47,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dc02f2afd/fb1539edd6a8488fb94eefba7db41f46 [2024-09-21 12:48:47,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:47,836 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:47,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:47,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:47,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:47,843 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 12:48:46" (1/2) ... [2024-09-21 12:48:47,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5420b1e1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:47, skipping insertion in model container [2024-09-21 12:48:47,846 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 12:48:46" (1/2) ... [2024-09-21 12:48:47,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a12b793 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:47, skipping insertion in model container [2024-09-21 12:48:47,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:47" (2/2) ... [2024-09-21 12:48:47,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5420b1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:47, skipping insertion in model container [2024-09-21 12:48:47,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:47" (2/2) ... [2024-09-21 12:48:47,856 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:47,856 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)) [2024-09-21 12:48:47,857 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:47,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:47,998 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] [2024-09-21 12:48:48,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:48,028 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:48:48,084 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 [2024-09-21 12:48:48,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:48,109 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:48,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48 WrapperNode [2024-09-21 12:48:48,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:48,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:48,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:48,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:48,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,131 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,145 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 12:48:48,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:48,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:48,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:48,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:48,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:48,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:48,190 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 12:48:48,192 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 12:48:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:48:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:48:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:48:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:48:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:48,293 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:48,295 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:48,699 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:48,710 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:48,729 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:48,729 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:48:48,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:48 BoogieIcfgContainer [2024-09-21 12:48:48,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:48,730 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:48,730 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:48,731 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:48,731 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 12:48:46" (1/4) ... [2024-09-21 12:48:48,731 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@386cb41e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:48, skipping insertion in model container [2024-09-21 12:48:48,731 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:47" (2/4) ... [2024-09-21 12:48:48,731 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@386cb41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:48, skipping insertion in model container [2024-09-21 12:48:48,731 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (3/4) ... [2024-09-21 12:48:48,732 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@386cb41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:48, skipping insertion in model container [2024-09-21 12:48:48,732 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:48" (4/4) ... [2024-09-21 12:48:48,733 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-21 12:48:48,735 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:48:48,736 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:48:48,736 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:48,736 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:48,736 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:48,736 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 12:48:48,736 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 12:48:48,737 INFO L131 InvariantChecker]: Will check 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, 1 loop-free subgraphs from loop head to loop head [2024-09-21 12:48:48,770 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:48:48,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:48,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:48,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:48,773 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:48,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:48,790 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:48:48,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:48,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:48,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:48,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:48,793 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:48,803 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:48,831 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:48:48,832 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:48,832 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:48,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:48,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:48,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:48,862 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:48:48,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:48,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:48,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:48,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:48,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:52,966 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:48:53,010 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:48:53,010 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:53,010 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:53,011 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:53,011 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:53,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:53,022 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:48:53,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:53,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:53,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:53,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:53,023 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:53,043 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:53,056 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:53,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:53,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:53,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:53,056 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:53,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:53,059 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:53,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:53,059 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:53,059 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:53,059 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:53,059 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:57,089 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:48:57,113 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:57,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:57,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:57,114 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:57,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:57,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,116 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:57,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:57,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:57,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:57,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:57,122 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:57,131 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:57,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:57,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:57,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:57,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:57,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,133 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:57,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:57,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:57,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:57,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:57,136 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:57,138 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:48:57,142 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@386cb41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:48:57, skipping insertion in model container [2024-09-21 12:48:57,143 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:48:57,144 INFO L158 Benchmark]: Toolchain (without parser) took 9307.83ms. Allocated memory is still 86.0MB. Free memory was 44.6MB in the beginning and 48.3MB in the end (delta: -3.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:57,146 INFO L158 Benchmark]: Witness Parser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:57,146 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:57,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.87ms. Allocated memory is still 86.0MB. Free memory was 44.2MB in the beginning and 64.0MB in the end (delta: -19.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:57,147 INFO L158 Benchmark]: Boogie Preprocessor took 53.85ms. Allocated memory is still 86.0MB. Free memory was 64.0MB in the beginning and 61.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:57,148 INFO L158 Benchmark]: RCFGBuilder took 564.53ms. Allocated memory is still 86.0MB. Free memory was 61.6MB in the beginning and 46.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:48:57,148 INFO L158 Benchmark]: Referee took 8412.84ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 48.3MB in the end (delta: -1.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-09-21 12:48:57,151 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.87ms. Allocated memory is still 86.0MB. Free memory was 44.2MB in the beginning and 64.0MB in the end (delta: -19.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.85ms. Allocated memory is still 86.0MB. Free memory was 64.0MB in the beginning and 61.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.53ms. Allocated memory is still 86.0MB. Free memory was 61.6MB in the beginning and 46.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8412.84ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 48.3MB in the end (delta: -1.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:48:57,191 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...