./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/while_infinite_loop_3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_3.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loops/while_infinite_loop_3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_3.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:46:27,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:27,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:27,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:27,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:27,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:27,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:27,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:27,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:27,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:27,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:27,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:27,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:27,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:27,654 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:27,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:27,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:27,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:27,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:27,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:27,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:27,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:27,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:27,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:27,665 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:27,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:27,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:27,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:27,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:27,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:27,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:27,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:27,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:27,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:27,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:27,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:27,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:27,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:27,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:27,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:27,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:27,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:27,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:28,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:28,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:28,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:28,112 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:28,116 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:28,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_3.yml/witness-2.1.yml [2024-09-11 20:46:28,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:28,206 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:28,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/while_infinite_loop_3.c [2024-09-11 20:46:29,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:29,927 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:29,927 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/while_infinite_loop_3.c [2024-09-11 20:46:29,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/595dcf8d7/58fc50b3f91d40a094b4093fbe35589c/FLAGa3994283a [2024-09-11 20:46:29,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/595dcf8d7/58fc50b3f91d40a094b4093fbe35589c [2024-09-11 20:46:29,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:29,950 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:29,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:29,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:29,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:29,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:28" (1/2) ... [2024-09-11 20:46:29,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e814729 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:29, skipping insertion in model container [2024-09-11 20:46:29,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:28" (1/2) ... [2024-09-11 20:46:29,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c792450 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:29, skipping insertion in model container [2024-09-11 20:46:29,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:29" (2/2) ... [2024-09-11 20:46:29,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e814729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29, skipping insertion in model container [2024-09-11 20:46:29,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:29" (2/2) ... [2024-09-11 20:46:29,970 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:29,971 INFO L1541 ArrayList]: Loop invariant at [L16-L19] (x == 0) [2024-09-11 20:46:29,971 INFO L1541 ArrayList]: Loop invariant at [L26-L30] (x == 0) [2024-09-11 20:46:29,974 INFO L1541 ArrayList]: Location invariant before [L14-L21] (x == 0) [2024-09-11 20:46:29,974 INFO L1541 ArrayList]: Location invariant before [L32-L32] 0 [2024-09-11 20:46:29,974 INFO L1541 ArrayList]: Function contract at [L5]: requires ((x == 0) && (\old(cond) != 0)), ensures ((x == 0) && (\old(cond) != 0)) [2024-09-11 20:46:29,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:30,121 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/loops/while_infinite_loop_3.c[333,346] [2024-09-11 20:46:30,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:30,138 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:30,167 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/loops/while_infinite_loop_3.c[333,346] Start Parsing Local [2024-09-11 20:46:30,169 WARN L423 MainDispatcher]: Unable to annotate void eval(void) { while (1) { x=0; break; } return; } with a witness entry Start Parsing Local Start Parsing Local [2024-09-11 20:46:30,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:30,183 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:30,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30 WrapperNode [2024-09-11 20:46:30,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:30,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:30,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:30,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:30,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,202 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,209 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 [2024-09-11 20:46:30,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:30,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:30,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:30,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:30,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (1/1) ... [2024-09-11 20:46:30,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:30,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:30,251 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) [2024-09-11 20:46:30,261 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 [2024-09-11 20:46:30,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:30,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:30,299 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:30,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:30,299 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2024-09-11 20:46:30,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:30,299 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2024-09-11 20:46:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:30,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:46:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:46:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:46:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:30,362 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:30,365 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:30,440 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:30,468 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:30,468 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:30,489 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:30,490 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:46:30,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:30 BoogieIcfgContainer [2024-09-11 20:46:30,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:30,491 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:30,491 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:30,492 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:30,492 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:28" (1/4) ... [2024-09-11 20:46:30,493 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@114241f2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:30, skipping insertion in model container [2024-09-11 20:46:30,493 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:29" (2/4) ... [2024-09-11 20:46:30,493 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@114241f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:30, skipping insertion in model container [2024-09-11 20:46:30,493 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:30" (3/4) ... [2024-09-11 20:46:30,494 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@114241f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:30, skipping insertion in model container [2024-09-11 20:46:30,494 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:30" (4/4) ... [2024-09-11 20:46:30,495 INFO L79 RefereeObserver]: Analyzing ICFG while_infinite_loop_3.c [2024-09-11 20:46:30,499 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:46:30,500 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:46:30,500 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:46:30,500 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:46:30,500 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:30,501 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:30,501 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:30,501 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:46:30,529 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:46:30,529 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:30,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:30,530 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:30,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:30,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:30,542 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:46:30,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:30,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:30,544 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:30,544 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:30,548 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:30,565 INFO L514 InvariantChecker]: The annotation(s) from loop head L29 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:30,574 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:46:30,575 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:30,575 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:30,575 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:30,575 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:30,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:30,577 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:46:30,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:30,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:30,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:30,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:30,578 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:30,588 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:30,589 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:30,589 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:30,589 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:30,589 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:30,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:30,594 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:46:30,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:30,594 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:30,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:30,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:30,595 INFO L314 BlockEncoder]: Encoded RCFG 0 locations, 0 edges [2024-09-11 20:46:30,596 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-11 20:46:30,602 INFO L158 Benchmark]: Toolchain (without parser) took 649.21ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 62.0MB in the beginning and 109.9MB in the end (delta: -47.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:30,602 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:30,603 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 136.3MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:30,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.49ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 61.8MB in the beginning and 132.9MB in the end (delta: -71.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-09-11 20:46:30,604 INFO L158 Benchmark]: Boogie Preprocessor took 32.38ms. Allocated memory is still 165.7MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:30,604 INFO L158 Benchmark]: RCFGBuilder took 272.69ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 117.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:30,605 INFO L158 Benchmark]: Referee took 107.61ms. Allocated memory is still 165.7MB. Free memory was 117.4MB in the beginning and 109.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:46:30,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.63ms. Allocated memory is still 136.3MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.49ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 61.8MB in the beginning and 132.9MB in the end (delta: -71.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.38ms. Allocated memory is still 165.7MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.69ms. Allocated memory is still 165.7MB. Free memory was 130.8MB in the beginning and 117.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 107.61ms. Allocated memory is still 165.7MB. Free memory was 117.4MB in the beginning and 109.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:30,628 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loops/while_infinite_loop_3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_3.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:46:32,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:32,959 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:46:32,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:32,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:32,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:32,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:32,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:32,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:32,991 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:32,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:32,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:32,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:32,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:32,995 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:32,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:32,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:32,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:32,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:32,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:32,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:32,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:32,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:32,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:46:32,999 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:46:32,999 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:32,999 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:46:32,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:33,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:33,000 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:33,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:33,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:33,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:33,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:33,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:33,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:33,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:33,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:33,002 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:46:33,002 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:46:33,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:33,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:33,005 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:33,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:33,005 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:46:33,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:33,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:33,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:33,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:33,295 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:33,296 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:33,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_3.yml/witness-2.1.yml [2024-09-11 20:46:33,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:33,346 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:33,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/while_infinite_loop_3.c [2024-09-11 20:46:34,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:35,048 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:35,050 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/while_infinite_loop_3.c [2024-09-11 20:46:35,057 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5732ab558/4c62c7be9a2e4ce2af09cb377b876c95/FLAGb91716c86 [2024-09-11 20:46:35,073 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5732ab558/4c62c7be9a2e4ce2af09cb377b876c95 [2024-09-11 20:46:35,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:35,075 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:35,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:35,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:35,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:35,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:33" (1/2) ... [2024-09-11 20:46:35,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105fbfef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:35, skipping insertion in model container [2024-09-11 20:46:35,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:33" (1/2) ... [2024-09-11 20:46:35,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13526881 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:35, skipping insertion in model container [2024-09-11 20:46:35,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:35" (2/2) ... [2024-09-11 20:46:35,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105fbfef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35, skipping insertion in model container [2024-09-11 20:46:35,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:35" (2/2) ... [2024-09-11 20:46:35,092 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:35,093 INFO L1541 ArrayList]: Loop invariant at [L16-L19] (x == 0) [2024-09-11 20:46:35,093 INFO L1541 ArrayList]: Location invariant before [L14-L21] (x == 0) [2024-09-11 20:46:35,093 INFO L1541 ArrayList]: Location invariant before [L32-L32] 0 [2024-09-11 20:46:35,093 INFO L1541 ArrayList]: Loop invariant at [L26-L30] (x == 0) [2024-09-11 20:46:35,093 INFO L1541 ArrayList]: Function contract at [L5]: requires ((x == 0) && (\old(cond) != 0)), ensures ((x == 0) && (\old(cond) != 0)) [2024-09-11 20:46:35,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:35,223 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/loops/while_infinite_loop_3.c[333,346] [2024-09-11 20:46:35,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:35,242 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:35,272 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/loops/while_infinite_loop_3.c[333,346] Start Parsing Local [2024-09-11 20:46:35,276 WARN L423 MainDispatcher]: Unable to annotate void eval(void) { while (1) { x=0; break; } return; } with a witness entry Start Parsing Local Start Parsing Local [2024-09-11 20:46:35,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:35,290 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:35,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35 WrapperNode [2024-09-11 20:46:35,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:35,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:35,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:35,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:35,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,316 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 [2024-09-11 20:46:35,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:35,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:35,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:35,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:35,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (1/1) ... [2024-09-11 20:46:35,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:35,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:35,364 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) [2024-09-11 20:46:35,367 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 [2024-09-11 20:46:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2024-09-11 20:46:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2024-09-11 20:46:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:46:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:46:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:46:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:35,513 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:35,515 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:35,623 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:35,661 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:35,662 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:35,691 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:35,691 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:46:35,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:35 BoogieIcfgContainer [2024-09-11 20:46:35,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:35,692 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:35,692 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:35,693 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:35,693 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:33" (1/4) ... [2024-09-11 20:46:35,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61e61944 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:35, skipping insertion in model container [2024-09-11 20:46:35,693 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:35" (2/4) ... [2024-09-11 20:46:35,694 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61e61944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:35, skipping insertion in model container [2024-09-11 20:46:35,694 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:35" (3/4) ... [2024-09-11 20:46:35,694 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61e61944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:35, skipping insertion in model container [2024-09-11 20:46:35,694 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:35" (4/4) ... [2024-09-11 20:46:35,695 INFO L79 RefereeObserver]: Analyzing ICFG while_infinite_loop_3.c [2024-09-11 20:46:35,699 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:46:35,699 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:46:35,700 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:46:35,700 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:46:35,700 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:35,700 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:35,700 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:35,700 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-11 20:46:35,736 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:46:35,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:35,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:35,738 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:35,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:35,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:35,746 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:46:35,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:35,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:35,748 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:35,748 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:35,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:35,767 INFO L514 InvariantChecker]: The annotation(s) from loop head L29 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:35,783 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:46:35,783 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:35,783 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:35,783 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:35,783 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:35,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:35,785 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:46:35,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:35,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:35,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:35,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:35,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:35,804 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:35,808 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:35,808 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:35,808 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:35,808 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:35,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:35,812 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:46:35,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:35,814 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:35,814 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:35,815 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:35,815 INFO L314 BlockEncoder]: Encoded RCFG 0 locations, 0 edges [2024-09-11 20:46:35,816 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-11 20:46:35,821 INFO L158 Benchmark]: Toolchain (without parser) took 745.55ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 57.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-09-11 20:46:35,821 INFO L158 Benchmark]: Witness Parser took 0.70ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:35,822 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:35,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.86ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 54.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:35,823 INFO L158 Benchmark]: Boogie Preprocessor took 43.93ms. Allocated memory is still 100.7MB. Free memory was 54.2MB in the beginning and 51.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:35,823 INFO L158 Benchmark]: RCFGBuilder took 355.07ms. Allocated memory is still 100.7MB. Free memory was 51.9MB in the beginning and 67.3MB in the end (delta: -15.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:46:35,824 INFO L158 Benchmark]: Referee took 127.44ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 57.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:46:35,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.70ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.86ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 54.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.93ms. Allocated memory is still 100.7MB. Free memory was 54.2MB in the beginning and 51.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.07ms. Allocated memory is still 100.7MB. Free memory was 51.9MB in the beginning and 67.3MB in the end (delta: -15.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 127.44ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 57.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:35,848 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug