./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 5189fb62 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-5189fb6-m [2024-09-13 05:03:57,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:03:57,649 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:03:57,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:03:57,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:03:57,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:03:57,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:03:57,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:03:57,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:03:57,696 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:03:57,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:03:57,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:03:57,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:03:57,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:03:57,698 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:03:57,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:03:57,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:03:57,699 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:03:57,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:03:57,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:03:57,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:03:57,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:03:57,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:03:57,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:03:57,705 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:03:57,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:03:57,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:03:57,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:03:57,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:03:57,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:03:57,706 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:03:57,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:03:57,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:03:57,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:57,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:03:57,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:03:57,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:03:57,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:03:57,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:03:57,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:03:57,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:03:57,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:03:57,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:03:57,714 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:03:57,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:03:57,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:03:57,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:03:57,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:03:57,992 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:03:57,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-13 05:03:59,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:03:59,666 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:03:59,667 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-13 05:03:59,673 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/faac9e57d/0826beb566244b989ddff870c9fa7cee/FLAGb8081bfde [2024-09-13 05:04:00,067 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/faac9e57d/0826beb566244b989ddff870c9fa7cee [2024-09-13 05:04:00,070 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:04:00,072 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:04:00,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-09-13 05:04:00,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:04:00,128 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:04:00,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:00,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:04:00,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:04:00,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:00" (1/2) ... [2024-09-13 05:04:00,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a42238e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00, skipping insertion in model container [2024-09-13 05:04:00,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:00" (1/2) ... [2024-09-13 05:04:00,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39b63d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:00, skipping insertion in model container [2024-09-13 05:04:00,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:00" (2/2) ... [2024-09-13 05:04:00,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a42238e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00, skipping insertion in model container [2024-09-13 05:04:00,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:00" (2/2) ... [2024-09-13 05:04:00,151 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:04:00,152 INFO L1541 ArrayList]: Location invariant before [L36-L112] (main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) [2024-09-13 05:04:00,152 INFO L1541 ArrayList]: Location invariant before [L35-L140] (((main__x < ((((2 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + (2863311531 * (main__x / 4294967296))) + 3) + ((-5726623060 + ((long long) 1431655765 * main__x)) / 4294967296))) || ((((12297829383904690176U * (main__x / 4294967296)) + 4294967297) + ((unsigned long long) 8589934592 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) < ((unsigned long long) 2863311531 * main__x)))) && (((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) || (((long long) 1431655765 * main__x) < ((((((char) (-1 * (main__x / 4294967296)) + -4) + main__x) / 3) * 4294967296) + 5726623061)))) [2024-09-13 05:04:00,152 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1))) && ((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1))) [2024-09-13 05:04:00,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:04:00,336 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] [2024-09-13 05:04:00,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:00,360 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:04:00,387 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 [2024-09-13 05:04:00,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:00,469 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:04:00,470 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00 WrapperNode [2024-09-13 05:04:00,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:00,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:04:00,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:04:00,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:04:00,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,500 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,536 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]. [2024-09-13 05:04:00,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:04:00,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:04:00,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:04:00,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:04:00,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (1/1) ... [2024-09-13 05:04:00,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:00,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:04:00,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:04:00,619 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:04:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:04:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:04:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:04:00,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:04:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:04:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:04:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:04:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:04:00,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:04:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:04:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:04:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:04:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:04:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:04:00,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:04:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:04:00,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:04:00,772 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:04:00,773 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:04:01,212 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:04:01,284 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:04:01,284 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:04:01,284 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:01 BoogieIcfgContainer [2024-09-13 05:04:01,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:04:01,285 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:04:01,286 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:04:01,286 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:04:01,287 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:04:00" (1/4) ... [2024-09-13 05:04:01,287 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31a6e9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:01, skipping insertion in model container [2024-09-13 05:04:01,287 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:00" (2/4) ... [2024-09-13 05:04:01,288 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31a6e9a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:01, skipping insertion in model container [2024-09-13 05:04:01,288 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:00" (3/4) ... [2024-09-13 05:04:01,288 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31a6e9a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:01, skipping insertion in model container [2024-09-13 05:04:01,288 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:01" (4/4) ... [2024-09-13 05:04:01,290 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-13 05:04:01,294 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:04:01,295 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-13 05:04:01,295 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges. [2024-09-13 05:04:01,296 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-13 05:04:01,296 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-13 05:04:01,296 INFO L130 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location [2024-09-13 05:04:01,359 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-13 05:04:01,360 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:01,361 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:01,361 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:01,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:01,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,519 INFO L101 BaseMinimizeStates]: Removed 61 edges and 16 locations by large block encoding [2024-09-13 05:04:01,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:01,521 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:01,522 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:01,549 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-13 05:04:01,572 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-13 05:04:01,572 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:01,572 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:01,572 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:01,573 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:01,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,681 INFO L101 BaseMinimizeStates]: Removed 67 edges and 19 locations by large block encoding [2024-09-13 05:04:01,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,682 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:01,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:01,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:01,725 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-13 05:04:01,744 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-13 05:04:01,745 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:01,745 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:01,745 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:01,745 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:01,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,915 INFO L101 BaseMinimizeStates]: Removed 67 edges and 16 locations by large block encoding [2024-09-13 05:04:01,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:01,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:01,916 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:01,916 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:01,947 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 05:04:01,948 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) [2024-09-13 05:04:01,955 INFO L158 Benchmark]: Toolchain (without parser) took 1825.73ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 93.4MB in the beginning and 118.6MB in the end (delta: -25.3MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2024-09-13 05:04:01,955 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 151.0MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:01,956 INFO L158 Benchmark]: Witness Parser took 0.82ms. Allocated memory is still 151.0MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:01,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.65ms. Allocated memory is still 151.0MB. Free memory was 93.4MB in the beginning and 78.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:04:01,958 INFO L158 Benchmark]: Boogie Preprocessor took 98.78ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 76.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:04:01,958 INFO L158 Benchmark]: RCFGBuilder took 710.55ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 76.0MB in the beginning and 150.3MB in the end (delta: -74.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-09-13 05:04:01,959 INFO L158 Benchmark]: Referee took 667.82ms. Allocated memory is still 211.8MB. Free memory was 150.3MB in the beginning and 118.6MB in the end (delta: 31.7MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2024-09-13 05:04:01,962 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 0.18ms. Allocated memory is still 151.0MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.82ms. Allocated memory is still 151.0MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.65ms. Allocated memory is still 151.0MB. Free memory was 93.4MB in the beginning and 78.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.78ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 76.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.55ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 76.0MB in the beginning and 150.3MB in the end (delta: -74.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Referee took 667.82ms. Allocated memory is still 211.8MB. Free memory was 150.3MB in the beginning and 118.6MB in the end (delta: 31.7MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:04:01,992 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/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-5189fb6-m [2024-09-13 05:04:04,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:04:04,394 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:04:04,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:04:04,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:04:04,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:04:04,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:04:04,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:04:04,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:04:04,437 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:04:04,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:04:04,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:04:04,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:04:04,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:04:04,439 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:04:04,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:04:04,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:04:04,444 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:04:04,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:04:04,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:04:04,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:04:04,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:04:04,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:04:04,448 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:04:04,448 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:04:04,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:04:04,449 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:04:04,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:04:04,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:04:04,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:04:04,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:04:04,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:04:04,451 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:04:04,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:04:04,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:04:04,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:04,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:04:04,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:04:04,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:04:04,453 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:04:04,453 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:04:04,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:04:04,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:04:04,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:04:04,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:04:04,454 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:04:04,455 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:04:04,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:04:04,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:04:04,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:04:04,785 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:04:04,786 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:04:04,787 INFO L431 ainManager$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 [2024-09-13 05:04:04,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:04:04,845 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:04:04,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-13 05:04:06,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:04:06,520 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:04:06,521 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-13 05:04:06,530 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/34693aab2/88f5a2dc80ce4d3182e7ff789a8549c4/FLAG4009db0d2 [2024-09-13 05:04:06,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/34693aab2/88f5a2dc80ce4d3182e7ff789a8549c4 [2024-09-13 05:04:06,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:04:06,888 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:04:06,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:06,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:04:06,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:04:06,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:04" (1/2) ... [2024-09-13 05:04:06,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d8499c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:06, skipping insertion in model container [2024-09-13 05:04:06,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:04" (1/2) ... [2024-09-13 05:04:06,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62bd7e2f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:06, skipping insertion in model container [2024-09-13 05:04:06,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:06" (2/2) ... [2024-09-13 05:04:06,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d8499c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:06, skipping insertion in model container [2024-09-13 05:04:06,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:06" (2/2) ... [2024-09-13 05:04:06,912 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:04:06,913 INFO L1541 ArrayList]: Location invariant before [L36-L112] (main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) [2024-09-13 05:04:06,913 INFO L1541 ArrayList]: Location invariant before [L24-L141] ((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1))) && ((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1))) [2024-09-13 05:04:06,913 INFO L1541 ArrayList]: Location invariant before [L35-L140] (((main__x < ((((2 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3)) + (2863311531 * (main__x / 4294967296))) + 3) + ((-5726623060 + ((long long) 1431655765 * main__x)) / 4294967296))) || ((((12297829383904690176U * (main__x / 4294967296)) + 4294967297) + ((unsigned long long) 8589934592 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) < ((unsigned long long) 2863311531 * main__x)))) && (((main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) || (((long long) 1431655765 * main__x) < ((((((char) (-1 * (main__x / 4294967296)) + -4) + main__x) / 3) * 4294967296) + 5726623061)))) [2024-09-13 05:04:06,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:04:07,106 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] [2024-09-13 05:04:07,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:07,137 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:04:07,163 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 [2024-09-13 05:04:07,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:07,234 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:04:07,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07 WrapperNode [2024-09-13 05:04:07,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:07,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:04:07,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:04:07,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:04:07,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,271 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]. [2024-09-13 05:04:07,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:04:07,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:04:07,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:04:07,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:04:07,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (1/1) ... [2024-09-13 05:04:07,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:07,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:04:07,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:04:07,340 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:04:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:04:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:04:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:04:07,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:04:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:04:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:04:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:04:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:04:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:04:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:04:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:04:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:04:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:04:07,473 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:04:07,478 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:04:07,955 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:04:07,990 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:04:07,991 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:04:07,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:07 BoogieIcfgContainer [2024-09-13 05:04:07,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:04:07,992 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:04:07,992 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:04:07,993 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:04:07,993 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:04" (1/4) ... [2024-09-13 05:04:07,993 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c35e4fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:07, skipping insertion in model container [2024-09-13 05:04:07,993 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:04:06" (2/4) ... [2024-09-13 05:04:07,994 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c35e4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:07, skipping insertion in model container [2024-09-13 05:04:07,994 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:07" (3/4) ... [2024-09-13 05:04:07,994 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c35e4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:07, skipping insertion in model container [2024-09-13 05:04:07,994 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:07" (4/4) ... [2024-09-13 05:04:07,997 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-13 05:04:08,000 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:04:08,001 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-13 05:04:08,001 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 29 edges. [2024-09-13 05:04:08,002 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-13 05:04:08,002 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 26 edges. [2024-09-13 05:04:08,002 INFO L130 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location [2024-09-13 05:04:08,071 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-13 05:04:08,072 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:08,072 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:08,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:08,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:08,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:08,185 INFO L101 BaseMinimizeStates]: Removed 61 edges and 16 locations by large block encoding [2024-09-13 05:04:08,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:08,186 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:08,186 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:08,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:08,204 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-13 05:04:08,223 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 29 edges [2024-09-13 05:04:08,226 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:08,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:08,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:08,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:08,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:08,339 INFO L101 BaseMinimizeStates]: Removed 67 edges and 19 locations by large block encoding [2024-09-13 05:04:08,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:08,341 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:08,341 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:08,341 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:08,361 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-13 05:04:08,382 INFO L314 BlockEncoder]: Initial Icfg 20 locations, 26 edges [2024-09-13 05:04:08,383 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:08,383 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:08,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:08,383 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:08,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:08,509 INFO L101 BaseMinimizeStates]: Removed 67 edges and 16 locations by large block encoding [2024-09-13 05:04:08,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:08,511 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:08,512 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:08,512 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:08,537 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 05:04:08,538 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) [2024-09-13 05:04:08,544 INFO L158 Benchmark]: Toolchain (without parser) took 1654.39ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 57.0MB in the beginning and 58.4MB in the end (delta: -1.4MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-09-13 05:04:08,545 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 62.9MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:08,545 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 62.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:08,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.20ms. Allocated memory is still 79.7MB. Free memory was 56.8MB in the beginning and 41.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:04:08,547 INFO L158 Benchmark]: Boogie Preprocessor took 66.10ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 39.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:04:08,548 INFO L158 Benchmark]: RCFGBuilder took 688.51ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 39.0MB in the end (delta: -148.3kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:04:08,549 INFO L158 Benchmark]: Referee took 550.15ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 39.0MB in the beginning and 58.4MB in the end (delta: -19.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-09-13 05:04:08,552 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 0.30ms. Allocated memory is still 62.9MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 62.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.20ms. Allocated memory is still 79.7MB. Free memory was 56.8MB in the beginning and 41.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.10ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 39.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 688.51ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 39.0MB in the end (delta: -148.3kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 550.15ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 39.0MB in the beginning and 58.4MB in the end (delta: -19.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:04:08,586 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