This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:46:35,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:35,140 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:46:35,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:35,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:35,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:35,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:35,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:35,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:35,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:35,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:35,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:35,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:35,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:35,168 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:35,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:35,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:35,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:35,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:46:35,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:35,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:35,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:35,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:35,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:35,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:35,175 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:35,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:35,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:35,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:35,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:35,177 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:35,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:35,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:35,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:35,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:35,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:35,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:35,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:46:35,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:46:35,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:35,184 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:35,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:35,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:35,186 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:35,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:35,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:35,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:35,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:35,503 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:35,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_1.c [2024-09-25 11:46:36,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:37,156 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:37,156 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_1.c [2024-09-25 11:46:37,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a3a59ccd7/794472b331f0459088dccfa3797ddd30/FLAGb52725240 [2024-09-25 11:46:37,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a3a59ccd7/794472b331f0459088dccfa3797ddd30 [2024-09-25 11:46:37,187 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:37,189 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:37,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_1.yml/witness-2.1.yml [2024-09-25 11:46:37,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:37,241 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:37,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:37,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:37,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:37,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:37" (1/2) ... [2024-09-25 11:46:37,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27884597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:37, skipping insertion in model container [2024-09-25 11:46:37,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:37" (1/2) ... [2024-09-25 11:46:37,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b8c3905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:37, skipping insertion in model container [2024-09-25 11:46:37,254 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 11:46:37" (2/2) ... [2024-09-25 11:46:37,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27884597 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:37, skipping insertion in model container [2024-09-25 11:46:37,255 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 11:46:37" (2/2) ... [2024-09-25 11:46:37,262 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:37,263 INFO L1541 ArrayList]: Loop invariant at [L19-L21] (a < 7) [2024-09-25 11:46:37,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:37,446 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-simple/nested_1.c[676,689] [2024-09-25 11:46:37,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:37,462 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-25 11:46:37,499 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-simple/nested_1.c[676,689] [2024-09-25 11:46:37,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:37,516 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:37,517 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:37 WrapperNode [2024-09-25 11:46:37,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:37,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:37,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:37,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:37,532 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,533 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,538 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,551 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-25 11:46:37,551 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,552 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,554 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,558 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,563 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,564 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:37,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:37,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:37,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:37,570 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 11:46:37" (1/1) ... [2024-09-25 11:46:37,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:37,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:37,601 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 11:46:37,602 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 11:46:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 11:46:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 11:46:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 11:46:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:37,706 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:37,708 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:37,839 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:37,868 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:37,869 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:46:37,869 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:37 BoogieIcfgContainer [2024-09-25 11:46:37,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:37,870 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:37,870 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:37,871 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:37,871 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:37" (1/4) ... [2024-09-25 11:46:37,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b03fcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:37, skipping insertion in model container [2024-09-25 11:46:37,872 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 11:46:37" (2/4) ... [2024-09-25 11:46:37,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b03fcce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:37, skipping insertion in model container [2024-09-25 11:46:37,873 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 11:46:37" (3/4) ... [2024-09-25 11:46:37,873 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b03fcce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:37, skipping insertion in model container [2024-09-25 11:46:37,873 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 11:46:37" (4/4) ... [2024-09-25 11:46:37,874 INFO L79 RefereeObserver]: Analyzing ICFG nested_1.c [2024-09-25 11:46:37,879 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:46:37,880 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:46:37,880 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:46:37,880 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-25 11:46:37,881 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-25 11:46:37,909 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:37,910 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:37,910 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:37,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:37,912 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:37,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:37,923 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:37,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:37,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:37,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:37,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:37,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:37,946 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:37,952 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:46:37,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:37,953 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:37,953 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:37,953 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:37,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:37,955 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:46:37,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:37,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:37,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:37,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:37,955 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:37,960 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:37,967 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:37,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:37,972 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:37,972 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:37,972 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:37,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:37,983 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 11:46:37,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:37,983 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:37,983 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:37,983 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:37,992 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:37,997 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-4 to error location mainErr1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:46:38,002 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:46:38,002 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b03fcce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:46:38, skipping insertion in model container [2024-09-25 11:46:38,002 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:46:38,004 INFO L158 Benchmark]: Toolchain (without parser) took 761.97ms. Allocated memory is still 172.0MB. Free memory was 116.3MB in the beginning and 129.1MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:38,005 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:38,006 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:38,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.27ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 103.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:46:38,008 INFO L158 Benchmark]: Boogie Preprocessor took 47.43ms. Allocated memory is still 172.0MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:38,008 INFO L158 Benchmark]: RCFGBuilder took 303.43ms. Allocated memory is still 172.0MB. Free memory was 101.0MB in the beginning and 136.3MB in the end (delta: -35.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:46:38,009 INFO L158 Benchmark]: Referee took 132.18ms. Allocated memory is still 172.0MB. Free memory was 136.3MB in the beginning and 129.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-25 11:46:38,013 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 19 to loop head at line 19. Annotation is valid for all loop-free paths from loop head at line 19 to check that a call to reach_error is unreachable at line 23. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 19. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.27ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 103.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.43ms. Allocated memory is still 172.0MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.43ms. Allocated memory is still 172.0MB. Free memory was 101.0MB in the beginning and 136.3MB in the end (delta: -35.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 132.18ms. Allocated memory is still 172.0MB. Free memory was 136.3MB in the beginning and 129.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:46:38,043 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...