This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:27:06,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:06,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:06,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:06,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:06,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:06,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:06,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:06,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:06,600 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:06,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:06,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:06,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:06,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:06,602 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:06,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:06,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:06,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:06,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:06,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:06,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:06,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:06,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:06,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:06,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:06,610 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:06,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:06,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:06,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:06,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:06,611 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:06,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:06,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:06,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:06,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:06,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:06,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:06,612 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:06,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:06,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:06,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:06,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:06,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:06,615 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:06,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:06,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:06,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:06,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:06,842 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:06,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/nested9.i [2024-09-25 00:27:08,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:08,443 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:08,444 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nested9.i [2024-09-25 00:27:08,450 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/12f493290/98f07bd9dfca41199b240e8e9a386ebf/FLAG2d638071e [2024-09-25 00:27:08,786 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/12f493290/98f07bd9dfca41199b240e8e9a386ebf [2024-09-25 00:27:08,789 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:08,790 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:08,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested9.yml/witness-2.1.yml [2024-09-25 00:27:08,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:08,847 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:08,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:08,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:08,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:08,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:08" (1/2) ... [2024-09-25 00:27:08,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9ca4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:08, skipping insertion in model container [2024-09-25 00:27:08,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:08" (1/2) ... [2024-09-25 00:27:08,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d3b8d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:08, skipping insertion in model container [2024-09-25 00:27:08,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:08" (2/2) ... [2024-09-25 00:27:08,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9ca4ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:08, skipping insertion in model container [2024-09-25 00:27:08,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:08" (2/2) ... [2024-09-25 00:27:08,891 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:08,892 INFO L1541 ArrayList]: Loop invariant at [L35-L37] (((((((long long) i + 1) <= n) && (j <= ((i + ((long long) n * 2)) + 1))) && (((long long) i * 2) <= j)) && (1 <= i)) || (((1 <= n) && (j == 0)) && (i == 0))) [2024-09-25 00:27:08,892 INFO L1541 ArrayList]: Loop invariant at [L34-L37] (((((i <= ((long long) n + 1)) && (2 <= n)) && (1 <= i)) || ((i == 1) && (0 <= n))) || (i == 0)) [2024-09-25 00:27:08,892 INFO L1541 ArrayList]: Loop invariant at [L36-L37] ((((((long long) i + 1) <= n) && (((long long) j + 1) <= ((long long) i * 3))) && (k <= (i + ((long long) n * 2)))) && (((long long) i * 2) <= j)) [2024-09-25 00:27:08,893 INFO L1541 ArrayList]: Function contract at [L17]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:27:08,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:09,061 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/loop-invgen/nested9.i[893,906] [2024-09-25 00:27:09,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:09,090 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:27:09,127 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/loop-invgen/nested9.i[893,906] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 00:27:09,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:09,165 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:09,166 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09 WrapperNode [2024-09-25 00:27:09,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:09,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:09,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:09,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:09,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,204 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:27:09,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,215 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 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:09,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:09,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:09,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:09,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (1/1) ... [2024-09-25 00:27:09,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:09,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:09,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:27:09,285 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:27:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:27:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:27:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:27:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:27:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:27:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:09,411 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:09,414 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:09,581 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:27:09,589 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:09,608 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:09,608 INFO L317 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-25 00:27:09,609 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:09 BoogieIcfgContainer [2024-09-25 00:27:09,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:09,610 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:09,610 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:09,610 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:09,611 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:08" (1/4) ... [2024-09-25 00:27:09,611 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37137722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:09, skipping insertion in model container [2024-09-25 00:27:09,611 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:08" (2/4) ... [2024-09-25 00:27:09,611 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37137722 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:09, skipping insertion in model container [2024-09-25 00:27:09,611 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:09" (3/4) ... [2024-09-25 00:27:09,611 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37137722 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:09, skipping insertion in model container [2024-09-25 00:27:09,612 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:09" (4/4) ... [2024-09-25 00:27:09,613 INFO L79 RefereeObserver]: Analyzing ICFG nested9.i [2024-09-25 00:27:09,616 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-25 00:27:09,617 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:09,617 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:09,617 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 00:27:09,618 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:09,618 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:09,618 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:09,619 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:27:09,619 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:27:09,620 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:27:09,620 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-25 00:27:09,672 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:27:09,673 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:09,673 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:09,674 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:09,675 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:09,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,691 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:27:09,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:09,693 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:09,694 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:09,694 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:09,718 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:09,742 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:09,746 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:09,746 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:09,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:09,746 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:09,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,751 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:09,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,756 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:09,756 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:09,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:09,756 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:09,762 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:09,778 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 00:27:09,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:09,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:09,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:09,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:09,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,792 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 00:27:09,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,793 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:09,794 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:09,794 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:09,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:09,798 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:09,816 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:09,816 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:09,816 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:09,817 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:09,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:09,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,827 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:09,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,828 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:09,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:09,829 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:09,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:09,839 INFO L520 InvariantChecker]: The annotation(s) from loop head L35-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:09,853 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:09,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:09,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:09,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:09,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:09,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,863 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:09,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:09,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:09,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:09,867 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:09,870 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:09,878 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:09,878 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:09,879 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:09,879 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:09,879 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:09,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,882 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:09,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:09,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:09,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:09,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:09,886 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:09,896 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:09,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:09,896 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:09,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:09,896 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:09,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,900 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:27:09,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:09,901 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:09,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:09,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:09,904 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:27:09,914 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:09,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:09,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:09,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:09,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:09,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,916 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:09,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,917 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:09,918 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:09,918 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:09,918 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:09,922 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:27:09,931 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:09,931 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:09,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:09,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:09,932 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:09,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,934 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:09,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:09,935 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:09,935 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:09,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:09,935 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:09,937 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:27:09,940 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:27:09,941 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37137722 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:27:09, skipping insertion in model container [2024-09-25 00:27:09,941 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:27:09,943 INFO L158 Benchmark]: Toolchain (without parser) took 1095.58ms. Allocated memory is still 211.8MB. Free memory was 178.9MB in the beginning and 119.1MB in the end (delta: 59.7MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-09-25 00:27:09,944 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:09,945 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 180.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:09,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.32ms. Allocated memory is still 211.8MB. Free memory was 178.6MB in the beginning and 170.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-09-25 00:27:09,946 INFO L158 Benchmark]: Boogie Preprocessor took 56.15ms. Allocated memory is still 211.8MB. Free memory was 170.3MB in the beginning and 168.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 00:27:09,947 INFO L158 Benchmark]: RCFGBuilder took 385.63ms. Allocated memory is still 211.8MB. Free memory was 168.2MB in the beginning and 153.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:27:09,947 INFO L158 Benchmark]: Referee took 331.77ms. Allocated memory is still 211.8MB. Free memory was 153.6MB in the beginning and 119.1MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:09,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 19. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 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 loop head at line 35 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 180.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.32ms. Allocated memory is still 211.8MB. Free memory was 178.6MB in the beginning and 170.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.15ms. Allocated memory is still 211.8MB. Free memory was 170.3MB in the beginning and 168.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 385.63ms. Allocated memory is still 211.8MB. Free memory was 168.2MB in the beginning and 153.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 331.77ms. Allocated memory is still 211.8MB. Free memory was 153.6MB in the beginning and 119.1MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:27:09,985 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...