./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.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/loop-industry-pattern/mod3.c.v+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.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 20:47:27,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:27,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:27,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:27,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:27,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:27,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:27,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:27,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:27,346 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:27,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:27,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:27,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:27,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:27,349 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:27,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:27,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:27,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:27,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:27,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:27,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:27,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:27,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:27,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:27,353 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:27,353 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:27,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:27,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:27,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:27,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:27,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:27,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:27,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:27,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:27,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:27,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:27,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:27,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:27,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:27,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:27,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:27,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:27,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:27,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:27,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:27,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:27,610 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:27,610 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:27,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-09-11 20:47:27,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:27,664 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:27,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-11 20:47:29,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:29,209 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:29,210 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-11 20:47:29,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/58ea25275/fc5f17343dd44b5aa2cc9852484c8cc9/FLAG424168e51 [2024-09-11 20:47:29,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/58ea25275/fc5f17343dd44b5aa2cc9852484c8cc9 [2024-09-11 20:47:29,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:29,234 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:29,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:29,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:29,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:29,252 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 08:47:27" (1/2) ... [2024-09-11 20:47:29,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651d357a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:29, skipping insertion in model container [2024-09-11 20:47:29,252 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 08:47:27" (1/2) ... [2024-09-11 20:47:29,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b621d62 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:29, skipping insertion in model container [2024-09-11 20:47:29,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:29" (2/2) ... [2024-09-11 20:47:29,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651d357a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29, skipping insertion in model container [2024-09-11 20:47:29,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:29" (2/2) ... [2024-09-11 20:47:29,261 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:29,262 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1))) && ((main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1))) [2024-09-11 20:47:29,262 INFO L1541 ArrayList]: Location invariant before [L36-L112] (main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1)) [2024-09-11 20:47:29,262 INFO L1541 ArrayList]: Location invariant before [L35-L140] (((main__x < ((((2863311531 * (main__x / 4294967296)) + ((-5726623060 + ((long long) main__x * 1431655765)) / 4294967296)) + 3) + (2 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)))) || (((((unsigned long long) 8589934592 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + (12297829383904690176U * (main__x / 4294967296))) + 4294967297) < ((unsigned long long) 2863311531 * main__x)))) && (((((long long) main__x * 1431655765) < ((((((-1 * (main__x / 4294967296)) + main__x) + -4) / 3) * 4294967296) + 5726623061)) || (main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1)))) [2024-09-11 20:47:29,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:29,430 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/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] [2024-09-11 20:47:29,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:29,447 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:47:29,464 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/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:47:29,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:29,507 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:29,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29 WrapperNode [2024-09-11 20:47:29,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:29,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:29,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:29,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:29,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,534 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,549 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]. [2024-09-11 20:47:29,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:29,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:29,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:29,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:29,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (1/1) ... [2024-09-11 20:47:29,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:29,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:29,621 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 20:47:29,623 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 20:47:29,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:29,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:47:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:47:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:47:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:47:29,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:29,706 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:29,707 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:30,100 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:30,100 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:30,145 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:30,145 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:47:30,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:30 BoogieIcfgContainer [2024-09-11 20:47:30,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:30,148 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:30,148 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:30,148 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:30,149 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 08:47:27" (1/4) ... [2024-09-11 20:47:30,149 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5d447c83 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:30, skipping insertion in model container [2024-09-11 20:47:30,150 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:29" (2/4) ... [2024-09-11 20:47:30,150 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5d447c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:30, skipping insertion in model container [2024-09-11 20:47:30,150 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:29" (3/4) ... [2024-09-11 20:47:30,151 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5d447c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:30, skipping insertion in model container [2024-09-11 20:47:30,151 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:30" (4/4) ... [2024-09-11 20:47:30,152 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-11 20:47:30,156 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:47:30,156 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-11 20:47:30,156 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges. [2024-09-11 20:47:30,157 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-11 20:47:30,157 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-11 20:47:30,157 INFO L130 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location [2024-09-11 20:47:30,206 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-11 20:47:30,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:30,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:30,208 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:30,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:30,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:30,442 INFO L101 BaseMinimizeStates]: Removed 61 edges and 16 locations by large block encoding [2024-09-11 20:47:30,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:30,444 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:30,444 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:30,445 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:30,485 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-11 20:47:30,517 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-11 20:47:30,517 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:30,517 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:30,517 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:30,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:30,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:30,659 INFO L101 BaseMinimizeStates]: Removed 67 edges and 19 locations by large block encoding [2024-09-11 20:47:30,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:30,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:30,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:30,664 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:30,692 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-11 20:47:30,733 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-11 20:47:30,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:30,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:30,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:30,737 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:30,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:31,012 INFO L101 BaseMinimizeStates]: Removed 67 edges and 16 locations by large block encoding [2024-09-11 20:47:31,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:31,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:31,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:31,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:31,069 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-11 20:47:31,074 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 20:47:31,083 INFO L158 Benchmark]: Toolchain (without parser) took 1845.05ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 117.7MB in the beginning and 191.4MB in the end (delta: -73.7MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-09-11 20:47:31,084 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:31,084 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:31,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.00ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 102.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:31,086 INFO L158 Benchmark]: Boogie Preprocessor took 62.79ms. Allocated memory is still 176.2MB. Free memory was 102.4MB in the beginning and 99.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:47:31,086 INFO L158 Benchmark]: RCFGBuilder took 571.60ms. Allocated memory is still 176.2MB. Free memory was 99.6MB in the beginning and 60.4MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:31,087 INFO L158 Benchmark]: Referee took 930.58ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 60.4MB in the beginning and 191.4MB in the end (delta: -131.0MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-09-11 20:47:31,089 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 0.14ms. Allocated memory is still 176.2MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.00ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 102.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.79ms. Allocated memory is still 176.2MB. Free memory was 102.4MB in the beginning and 99.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 571.60ms. Allocated memory is still 176.2MB. Free memory was 99.6MB in the beginning and 60.4MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Referee took 930.58ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 60.4MB in the beginning and 191.4MB in the end (delta: -131.0MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:31,135 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- 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/loop-industry-pattern/mod3.c.v+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.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 20:47:33,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:33,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:33,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:33,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:33,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:33,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:33,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:33,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:33,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:33,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:33,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:33,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:33,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:33,220 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:33,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:33,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:33,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:33,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:33,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:33,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:33,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:33,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:33,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:33,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:33,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:33,224 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:33,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:33,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:33,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:33,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:33,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:33,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:33,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:33,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:33,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:33,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:33,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:33,226 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:33,227 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:33,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:33,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:33,229 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:33,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:33,230 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:33,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:33,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:33,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:33,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:33,504 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:33,505 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:33,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-11 20:47:35,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:35,336 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:35,336 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-11 20:47:35,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b127b1bd2/37df67ab97f24599a2efa001a08ba91a/FLAG0e16f2ad4 [2024-09-11 20:47:35,365 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b127b1bd2/37df67ab97f24599a2efa001a08ba91a [2024-09-11 20:47:35,367 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:35,367 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:35,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-09-11 20:47:35,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:35,418 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:35,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:35,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:35,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:35,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:35" (1/2) ... [2024-09-11 20:47:35,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75662c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:35, skipping insertion in model container [2024-09-11 20:47:35,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:35" (1/2) ... [2024-09-11 20:47:35,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@219e20cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:35, skipping insertion in model container [2024-09-11 20:47:35,429 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 08:47:35" (2/2) ... [2024-09-11 20:47:35,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75662c3e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:35, skipping insertion in model container [2024-09-11 20:47:35,429 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 08:47:35" (2/2) ... [2024-09-11 20:47:35,437 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:35,439 INFO L1541 ArrayList]: Location invariant before [L35-L140] (((main__x < ((((2863311531 * (main__x / 4294967296)) + ((-5726623060 + ((long long) main__x * 1431655765)) / 4294967296)) + 3) + (2 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)))) || (((((unsigned long long) 8589934592 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + (12297829383904690176U * (main__x / 4294967296))) + 4294967297) < ((unsigned long long) 2863311531 * main__x)))) && (((((long long) main__x * 1431655765) < ((((((-1 * (main__x / 4294967296)) + main__x) + -4) / 3) * 4294967296) + 5726623061)) || (main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1)))) [2024-09-11 20:47:35,440 INFO L1541 ArrayList]: Location invariant before [L36-L112] (main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1)) [2024-09-11 20:47:35,440 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1))) && ((main__x < (((3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + ((main__x / 4294967296) * 4294967296)) + 1))) [2024-09-11 20:47:35,458 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:35,601 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/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] [2024-09-11 20:47:35,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:35,626 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:47:35,648 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/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:47:35,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:35,713 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:35,717 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:35 WrapperNode [2024-09-11 20:47:35,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:35,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:35,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:35,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:35,729 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,729 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,740 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,758 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]. [2024-09-11 20:47:35,758 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,758 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,768 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,770 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,771 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,772 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:35,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:35,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:35,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:35,775 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:35,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:35,802 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 20:47:35,806 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 20:47:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:47:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:47:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:47:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:47:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:35,920 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:35,923 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:36,272 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:36,272 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:36,328 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:36,332 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:47:36,332 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:36 BoogieIcfgContainer [2024-09-11 20:47:36,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:36,333 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:36,333 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:36,334 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:36,334 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:35" (1/4) ... [2024-09-11 20:47:36,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f297b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:36, skipping insertion in model container [2024-09-11 20:47:36,335 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 08:47:35" (2/4) ... [2024-09-11 20:47:36,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f297b65 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:36, skipping insertion in model container [2024-09-11 20:47:36,335 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 11.09 08:47:35" (3/4) ... [2024-09-11 20:47:36,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2f297b65 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:36, skipping insertion in model container [2024-09-11 20:47:36,336 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:36" (4/4) ... [2024-09-11 20:47:36,338 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-11 20:47:36,342 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:47:36,343 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-11 20:47:36,343 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges. [2024-09-11 20:47:36,344 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-11 20:47:36,344 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-11 20:47:36,344 INFO L130 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location [2024-09-11 20:47:36,420 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-11 20:47:36,421 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:36,421 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:36,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:36,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:36,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,587 INFO L101 BaseMinimizeStates]: Removed 61 edges and 16 locations by large block encoding [2024-09-11 20:47:36,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,588 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:36,588 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:36,588 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:36,619 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-11 20:47:36,666 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-11 20:47:36,666 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:36,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:36,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:36,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:36,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,779 INFO L101 BaseMinimizeStates]: Removed 67 edges and 19 locations by large block encoding [2024-09-11 20:47:36,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,780 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:36,780 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:36,780 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:36,799 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-11 20:47:36,831 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-11 20:47:36,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:36,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:36,831 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:36,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:36,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:37,000 INFO L101 BaseMinimizeStates]: Removed 67 edges and 16 locations by large block encoding [2024-09-11 20:47:37,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:37,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:37,000 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:37,001 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:37,031 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-11 20:47:37,032 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 20:47:37,039 INFO L158 Benchmark]: Toolchain (without parser) took 1617.25ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 67.5MB in the beginning and 65.3MB in the end (delta: 2.1MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,040 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:37,040 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 98.6MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:37,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.03ms. Allocated memory is still 98.6MB. Free memory was 67.3MB in the beginning and 77.5MB in the end (delta: -10.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,041 INFO L158 Benchmark]: Boogie Preprocessor took 55.79ms. Allocated memory is still 98.6MB. Free memory was 77.5MB in the beginning and 75.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,045 INFO L158 Benchmark]: RCFGBuilder took 558.31ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 51.2MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,045 INFO L158 Benchmark]: Referee took 701.41ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 51.2MB in the beginning and 65.3MB in the end (delta: -14.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,047 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: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 98.6MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.03ms. Allocated memory is still 98.6MB. Free memory was 67.3MB in the beginning and 77.5MB in the end (delta: -10.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.79ms. Allocated memory is still 98.6MB. Free memory was 77.5MB in the beginning and 75.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.31ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 51.2MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 701.41ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 51.2MB in the beginning and 65.3MB in the end (delta: -14.1MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:37,097 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- 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