This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:03,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:03,166 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:09:03,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:03,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:03,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:03,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:03,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:03,218 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:03,218 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:03,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:03,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:03,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:03,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:03,221 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:03,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:03,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:03,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:03,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:09:03,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:03,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:03,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:03,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:03,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:03,225 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:03,225 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:03,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:03,226 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:03,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:03,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:03,226 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:03,227 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:03,227 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:03,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:03,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:03,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:03,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:03,228 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:09:03,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:09:03,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:03,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:03,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:03,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:03,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:03,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:03,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:03,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:03,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:03,552 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:03,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-13 05:09:05,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:05,225 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:05,227 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-13 05:09:05,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/589027e47/41d0748ea7cf474c8c87da2cbf2bd50f/FLAGec6af0bca [2024-09-13 05:09:05,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/589027e47/41d0748ea7cf474c8c87da2cbf2bd50f [2024-09-13 05:09:05,259 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:05,260 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:05,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-13 05:09:05,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:05,312 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:05,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:05,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:05,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:05,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:05" (1/2) ... [2024-09-13 05:09:05,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497fe674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:05, skipping insertion in model container [2024-09-13 05:09:05,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:05" (1/2) ... [2024-09-13 05:09:05,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22256559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:05, skipping insertion in model container [2024-09-13 05:09:05,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:09:05" (2/2) ... [2024-09-13 05:09:05,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497fe674 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:05, skipping insertion in model container [2024-09-13 05:09:05,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:09:05" (2/2) ... [2024-09-13 05:09:05,333 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:05,334 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 05:09:05,334 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:05,334 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:05,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:05,493 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-13 05:09:05,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:05,517 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:05,556 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-13 05:09:05,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:05,586 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:05,587 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:05 WrapperNode [2024-09-13 05:09:05,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:05,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:05,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:05,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:05,602 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,603 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,609 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,619 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 [2024-09-13 05:09:05,620 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,620 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,624 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,628 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,629 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,630 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:05,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:05,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:05,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:05,634 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 13.09 05:09:05" (1/1) ... [2024-09-13 05:09:05,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:05,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:05,663 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) [2024-09-13 05:09:05,666 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 [2024-09-13 05:09:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:09:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:09:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:09:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:05,799 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:05,804 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:06,028 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:06,048 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:06,087 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:06,090 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:06,091 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:06 BoogieIcfgContainer [2024-09-13 05:09:06,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:06,091 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:06,091 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:06,092 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:06,092 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:05" (1/4) ... [2024-09-13 05:09:06,093 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f6c1879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:06, skipping insertion in model container [2024-09-13 05:09:06,093 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:09:05" (2/4) ... [2024-09-13 05:09:06,093 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f6c1879 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:06, skipping insertion in model container [2024-09-13 05:09:06,093 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 13.09 05:09:05" (3/4) ... [2024-09-13 05:09:06,093 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f6c1879 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:06, skipping insertion in model container [2024-09-13 05:09:06,093 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:06" (4/4) ... [2024-09-13 05:09:06,097 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-13 05:09:06,101 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:06,102 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:09:06,102 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:09:06,102 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:06,102 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:09:06,102 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:06,102 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:09:06,103 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:09:06,103 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-13 05:09:06,170 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:06,171 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:06,171 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:06,171 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:06,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:06,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:06,184 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:06,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:06,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:06,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:06,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:06,189 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:06,205 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:06,234 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:06,234 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:06,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:06,235 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:06,235 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:06,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:06,269 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:06,269 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:06,269 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:06,269 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:06,269 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:06,277 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:06,280 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:06,304 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:06,305 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:06,305 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:06,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:06,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:06,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:06,311 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:06,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:06,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:06,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:06,312 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:06,313 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:10,319 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:10,345 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:10,345 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:10,345 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:10,345 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:10,345 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:10,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:10,348 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:10,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:10,348 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:10,349 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:10,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:10,350 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:10,355 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:10,366 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:10,366 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:10,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:10,367 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:10,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:10,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:10,368 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:10,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:10,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:10,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:10,369 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:10,369 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:10,372 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:10,385 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:10,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:10,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:10,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:10,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:10,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:10,401 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:10,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:10,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:10,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:10,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:10,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:10,405 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:10,420 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:10,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:10,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:10,421 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:10,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:10,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:10,454 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:10,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:10,454 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:10,455 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:10,455 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:10,464 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:14,468 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:14,473 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:14,474 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f6c1879 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:14, skipping insertion in model container [2024-09-13 05:09:14,474 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:14,475 INFO L158 Benchmark]: Toolchain (without parser) took 9162.38ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 83.0MB in the end (delta: 47.8MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2024-09-13 05:09:14,476 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 165.7MB. Free memory was 130.0MB in the beginning and 129.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:14,476 INFO L158 Benchmark]: Witness Parser took 1.33ms. Allocated memory is still 165.7MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:14,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.45ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 116.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:14,477 INFO L158 Benchmark]: Boogie Preprocessor took 43.63ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 114.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:14,477 INFO L158 Benchmark]: RCFGBuilder took 458.22ms. Allocated memory is still 165.7MB. Free memory was 114.1MB in the beginning and 128.2MB in the end (delta: -14.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:09:14,478 INFO L158 Benchmark]: Referee took 8382.45ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 83.0MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-13 05:09:14,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 165.7MB. Free memory was 130.0MB in the beginning and 129.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.33ms. Allocated memory is still 165.7MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.45ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 116.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.63ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 114.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.22ms. Allocated memory is still 165.7MB. Free memory was 114.1MB in the beginning and 128.2MB in the end (delta: -14.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8382.45ms. Allocated memory is still 165.7MB. Free memory was 127.2MB in the beginning and 83.0MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:14,510 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-dev-5189fb6-m [2024-09-13 05:09:16,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:16,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:09:16,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:16,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:16,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:16,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:16,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:16,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:16,825 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:16,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:16,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:16,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:16,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:16,831 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:16,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:16,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:16,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:16,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:16,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:16,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:16,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:16,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:16,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:09:16,837 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:09:16,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:16,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:09:16,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:16,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:16,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:16,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:16,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:16,839 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:16,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:16,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:16,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:16,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:16,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:16,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:16,841 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:09:16,841 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:09:16,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:16,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:16,843 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:16,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:16,843 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:09:16,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:17,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:17,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:17,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:17,178 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:17,179 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:17,180 INFO L431 ainManager$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 [2024-09-13 05:09:17,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:17,234 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:17,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-13 05:09:18,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:18,996 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:18,997 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-13 05:09:19,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1ccfc5cac/94453341e646469bbaaf080cff21dd43/FLAG96469bf4b [2024-09-13 05:09:19,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1ccfc5cac/94453341e646469bbaaf080cff21dd43 [2024-09-13 05:09:19,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:19,385 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:19,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:19,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:19,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:19,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:09:17" (1/2) ... [2024-09-13 05:09:19,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c554602 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:19, skipping insertion in model container [2024-09-13 05:09:19,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:09:17" (1/2) ... [2024-09-13 05:09:19,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2536b149 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:19, skipping insertion in model container [2024-09-13 05:09:19,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:19" (2/2) ... [2024-09-13 05:09:19,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c554602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19, skipping insertion in model container [2024-09-13 05:09:19,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:19" (2/2) ... [2024-09-13 05:09:19,405 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:19,406 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 05:09:19,406 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:19,406 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:19,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:19,580 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-13 05:09:19,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:19,621 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:19,660 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-13 05:09:19,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:19,696 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:19,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19 WrapperNode [2024-09-13 05:09:19,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:19,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:19,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:19,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:19,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,723 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 [2024-09-13 05:09:19,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:19,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:19,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:19,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:19,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (1/1) ... [2024-09-13 05:09:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:19,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:19,770 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) [2024-09-13 05:09:19,772 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 [2024-09-13 05:09:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:09:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:09:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:09:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:19,874 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:19,877 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:20,242 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:20,259 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:20,290 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:20,291 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:20,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:20 BoogieIcfgContainer [2024-09-13 05:09:20,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:20,294 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:20,294 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:20,295 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:20,295 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:09:17" (1/4) ... [2024-09-13 05:09:20,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b3171f4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:20, skipping insertion in model container [2024-09-13 05:09:20,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:19" (2/4) ... [2024-09-13 05:09:20,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b3171f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:20, skipping insertion in model container [2024-09-13 05:09:20,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:19" (3/4) ... [2024-09-13 05:09:20,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b3171f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:20, skipping insertion in model container [2024-09-13 05:09:20,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:20" (4/4) ... [2024-09-13 05:09:20,299 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-13 05:09:20,302 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:20,303 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:09:20,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:09:20,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:20,304 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:09:20,304 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:20,304 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:09:20,304 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:09:20,304 INFO L130 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 loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:09:20,356 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:20,357 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,359 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,360 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,374 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:20,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,376 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:20,395 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:20,426 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:20,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,427 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,442 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:20,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:20,446 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:20,478 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:20,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,482 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,482 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,486 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:20,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,489 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,490 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:20,538 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:20,556 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:20,557 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,557 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,557 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,557 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,563 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:20,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,565 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:20,567 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:20,579 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:20,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,580 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,580 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,582 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:20,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,582 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,582 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,583 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:20,584 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:20,597 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:20,597 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,609 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:20,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,612 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,612 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,612 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,612 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:20,626 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:20,645 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:20,647 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:20,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:20,648 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:20,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:20,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,680 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:20,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:20,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:20,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:20,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:20,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:24,730 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:24,745 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:24,745 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b3171f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:24, skipping insertion in model container [2024-09-13 05:09:24,745 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:24,747 INFO L158 Benchmark]: Toolchain (without parser) took 5361.20ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 41.4MB in the beginning and 65.7MB in the end (delta: -24.4MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,748 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:24,748 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:24,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.13ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 41.2MB in the beginning and 69.6MB in the end (delta: -28.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,750 INFO L158 Benchmark]: Boogie Preprocessor took 42.21ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,750 INFO L158 Benchmark]: RCFGBuilder took 553.19ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 51.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,751 INFO L158 Benchmark]: Referee took 4451.46ms. Allocated memory is still 90.2MB. Free memory was 51.8MB in the beginning and 65.7MB in the end (delta: -13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:24,753 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. 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 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 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 37 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.13ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 41.2MB in the beginning and 69.6MB in the end (delta: -28.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.21ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.19ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 51.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4451.46ms. Allocated memory is still 90.2MB. Free memory was 51.8MB in the beginning and 65.7MB in the end (delta: -13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:24,795 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...