This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:18,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:18,236 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:18,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:18,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:18,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:18,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:18,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:18,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:18,263 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:18,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:18,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:18,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:18,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:18,265 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:18,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:18,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:18,268 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:18,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:18,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:18,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:18,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:18,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:18,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:18,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:18,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:18,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:18,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:18,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:18,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:18,272 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:18,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:18,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:18,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:18,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:18,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:18,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:18,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:18,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:18,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:18,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:18,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:18,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:18,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:18,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:18,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:18,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:18,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:18,493 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:18,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-20 13:28:19,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:19,854 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:19,855 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-20 13:28:19,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/05edadcd6/61f7e8997f404293ba3ff4c399665753/FLAGed8026387 [2024-09-20 13:28:19,878 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/05edadcd6/61f7e8997f404293ba3ff4c399665753 [2024-09-20 13:28:19,880 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:19,881 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:19,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-20 13:28:19,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:19,924 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:19,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:19,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:19,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:19,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:19" (1/2) ... [2024-09-20 13:28:19,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b6b2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:19, skipping insertion in model container [2024-09-20 13:28:19,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:19" (1/2) ... [2024-09-20 13:28:19,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c590634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:19, skipping insertion in model container [2024-09-20 13:28:19,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:19" (2/2) ... [2024-09-20 13:28:19,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b6b2cc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:19, skipping insertion in model container [2024-09-20 13:28:19,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:19" (2/2) ... [2024-09-20 13:28:19,941 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:19,942 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-20 13:28:19,942 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:19,942 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:19,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:20,095 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-20 13:28:20,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:20,123 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:20,151 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-20 13:28:20,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:20,176 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:20,177 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:20 WrapperNode [2024-09-20 13:28:20,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:20,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:20,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:20,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:20,187 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,188 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,192 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,206 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:28:20,206 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,206 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,213 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,215 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,217 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,222 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:20,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:20,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:20,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:20,224 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 20.09 01:28:20" (1/1) ... [2024-09-20 13:28:20,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:20,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:20,248 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) [2024-09-20 13:28:20,250 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 [2024-09-20 13:28:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:20,335 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:20,340 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:20,562 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:20,577 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:20,597 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:20,598 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:20,598 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:20 BoogieIcfgContainer [2024-09-20 13:28:20,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:20,599 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:20,599 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:20,600 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:20,600 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:19" (1/4) ... [2024-09-20 13:28:20,601 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fdcc68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:20, skipping insertion in model container [2024-09-20 13:28:20,601 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:19" (2/4) ... [2024-09-20 13:28:20,601 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fdcc68a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:20, skipping insertion in model container [2024-09-20 13:28:20,601 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 20.09 01:28:20" (3/4) ... [2024-09-20 13:28:20,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fdcc68a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:20, skipping insertion in model container [2024-09-20 13:28:20,602 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:20" (4/4) ... [2024-09-20 13:28:20,603 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-20 13:28:20,606 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:20,606 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:20,606 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:28:20,607 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:20,607 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:20,607 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:20,607 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:28:20,607 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:20,608 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, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-20 13:28:20,649 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:20,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:20,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:20,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:20,652 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:20,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:20,660 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:20,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:20,662 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:20,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:20,663 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:20,667 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:20,686 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:20,715 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:20,716 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:20,717 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:20,717 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:20,717 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:20,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:20,741 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:20,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:20,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:20,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:20,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:20,746 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:20,749 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:20,762 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:20,763 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:20,763 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:20,763 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:20,764 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:20,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:20,769 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:20,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:20,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:20,770 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:20,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:20,770 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:24,776 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:24,791 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:24,792 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:24,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:24,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:24,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:24,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:24,794 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:24,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:24,794 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:24,794 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:24,794 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:24,795 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:24,797 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:24,807 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:24,808 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:24,808 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:24,808 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:24,808 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:24,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:24,809 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:24,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:24,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:24,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:24,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:24,811 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:24,815 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:24,825 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:24,826 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:24,826 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:24,826 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:24,826 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:24,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:24,834 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:24,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:24,835 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:24,835 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:24,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:24,835 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:24,837 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:24,846 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:24,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:24,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:24,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:24,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:24,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:24,865 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:24,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:24,866 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:24,866 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:24,866 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:24,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:28,877 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:28,884 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:28,885 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fdcc68a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,885 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:28,886 INFO L158 Benchmark]: Toolchain (without parser) took 8961.94ms. Allocated memory is still 216.0MB. Free memory was 143.9MB in the beginning and 133.8MB in the end (delta: 10.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:28,887 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:28,887 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 216.0MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:28,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.50ms. Allocated memory is still 216.0MB. Free memory was 143.6MB in the beginning and 129.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:28,889 INFO L158 Benchmark]: Boogie Preprocessor took 44.95ms. Allocated memory is still 216.0MB. Free memory was 129.9MB in the beginning and 127.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:28,889 INFO L158 Benchmark]: RCFGBuilder took 375.33ms. Allocated memory is still 216.0MB. Free memory was 127.8MB in the beginning and 179.0MB in the end (delta: -51.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:28,890 INFO L158 Benchmark]: Referee took 8285.94ms. Allocated memory is still 216.0MB. Free memory was 179.0MB in the beginning and 133.8MB in the end (delta: 45.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:28,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to 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 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 216.0MB. Free memory is still 145.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.50ms. Allocated memory is still 216.0MB. Free memory was 143.6MB in the beginning and 129.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.95ms. Allocated memory is still 216.0MB. Free memory was 129.9MB in the beginning and 127.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.33ms. Allocated memory is still 216.0MB. Free memory was 127.8MB in the beginning and 179.0MB in the end (delta: -51.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Referee took 8285.94ms. Allocated memory is still 216.0MB. Free memory was 179.0MB in the beginning and 133.8MB in the end (delta: 45.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:28,915 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-f1d7dc9-m [2024-09-20 13:28:30,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:30,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:30,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:30,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:30,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:30,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:30,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:30,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:30,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:30,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:30,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:30,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:30,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:30,684 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:30,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:30,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:30,684 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:30,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:30,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:30,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:30,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:30,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:30,686 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:30,686 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:30,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:30,687 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:30,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:30,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:30,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:30,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:30,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:30,688 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:30,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:30,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:30,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:30,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:30,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:30,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:30,689 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:30,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:30,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:30,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:30,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:30,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:30,692 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:30,692 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:30,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:30,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:30,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:30,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:30,927 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:30,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-20 13:28:32,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:32,328 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:32,329 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-20 13:28:32,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/65a5bce2b/dba31a6818c34525973d193472b6c899/FLAG352c0ccf9 [2024-09-20 13:28:32,347 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/65a5bce2b/dba31a6818c34525973d193472b6c899 [2024-09-20 13:28:32,349 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:32,350 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:32,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-20 13:28:32,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:32,392 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:32,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:32,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:32,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:32,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:32" (1/2) ... [2024-09-20 13:28:32,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@833512f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:32, skipping insertion in model container [2024-09-20 13:28:32,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:32" (1/2) ... [2024-09-20 13:28:32,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48e6f88f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:32, skipping insertion in model container [2024-09-20 13:28:32,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:32" (2/2) ... [2024-09-20 13:28:32,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@833512f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:32, skipping insertion in model container [2024-09-20 13:28:32,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:32" (2/2) ... [2024-09-20 13:28:32,408 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:32,410 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-20 13:28:32,410 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:32,410 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:32,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:32,554 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-20 13:28:32,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:32,586 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:32,618 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-20 13:28:32,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:32,647 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:32,647 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:32 WrapperNode [2024-09-20 13:28:32,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:32,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:32,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:32,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:32,660 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,660 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,670 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,685 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:28:32,685 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,685 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,690 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,693 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,697 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,698 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:32,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:32,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:32,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:32,702 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 20.09 01:28:32" (1/1) ... [2024-09-20 13:28:32,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:32,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:32,725 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) [2024-09-20 13:28:32,727 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 [2024-09-20 13:28:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:32,826 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:32,828 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:33,223 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:33,235 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:33,261 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:33,261 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:33,262 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:33 BoogieIcfgContainer [2024-09-20 13:28:33,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:33,262 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:33,262 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:33,263 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:33,263 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:32" (1/4) ... [2024-09-20 13:28:33,264 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@506a241e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:33, skipping insertion in model container [2024-09-20 13:28:33,264 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:32" (2/4) ... [2024-09-20 13:28:33,265 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@506a241e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:33, skipping insertion in model container [2024-09-20 13:28:33,265 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 20.09 01:28:32" (3/4) ... [2024-09-20 13:28:33,265 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@506a241e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:33, skipping insertion in model container [2024-09-20 13:28:33,265 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:33" (4/4) ... [2024-09-20 13:28:33,266 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-20 13:28:33,269 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:33,269 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:33,269 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:28:33,271 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:33,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:33,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:33,272 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:28:33,272 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:33,272 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-20 13:28:33,312 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:33,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,313 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,321 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:33,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,322 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,322 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,323 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,326 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,337 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:33,359 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:33,360 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,361 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,361 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,361 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,370 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:33,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,371 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,371 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,371 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,371 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,372 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:33,392 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:33,393 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,393 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,393 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,393 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,396 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:33,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,397 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,432 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:37,457 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:37,461 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,461 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,461 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,462 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,464 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:37,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,465 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,465 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,465 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,474 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:37,483 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:37,484 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,484 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,484 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,484 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,485 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:37,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,486 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,487 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:37,497 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:37,499 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,499 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,499 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,499 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,507 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:37,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,509 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,509 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,509 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,528 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:37,542 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:37,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,542 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,542 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,557 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:37,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,557 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,562 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:41,634 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:41,659 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:41,660 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@506a241e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:41, skipping insertion in model container [2024-09-20 13:28:41,664 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:41,665 INFO L158 Benchmark]: Toolchain (without parser) took 9272.36ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.0MB in the beginning and 55.3MB in the end (delta: -25.2MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,666 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:41,666 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:41,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.00ms. Allocated memory is still 65.0MB. Free memory was 29.8MB in the beginning and 35.5MB in the end (delta: -5.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,667 INFO L158 Benchmark]: Boogie Preprocessor took 51.23ms. Allocated memory is still 65.0MB. Free memory was 35.5MB in the beginning and 33.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,667 INFO L158 Benchmark]: RCFGBuilder took 560.95ms. Allocated memory is still 65.0MB. Free memory was 33.2MB in the beginning and 38.6MB in the end (delta: -5.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,667 INFO L158 Benchmark]: Referee took 8401.85ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 38.6MB in the beginning and 55.3MB in the end (delta: -16.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-20 13:28:41,669 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. 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 0.23ms. Allocated memory is still 50.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.00ms. Allocated memory is still 65.0MB. Free memory was 29.8MB in the beginning and 35.5MB in the end (delta: -5.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.23ms. Allocated memory is still 65.0MB. Free memory was 35.5MB in the beginning and 33.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.95ms. Allocated memory is still 65.0MB. Free memory was 33.2MB in the beginning and 38.6MB in the end (delta: -5.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Referee took 8401.85ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 38.6MB in the beginning and 55.3MB in the end (delta: -16.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:41,705 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...