./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 1d5fa637 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-1d5fa63-m [2024-09-13 10:07:58,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:58,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:58,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:58,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:58,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:58,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:58,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:58,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:58,956 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:58,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:58,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:58,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:58,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:58,958 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:58,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:58,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:58,959 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:58,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:58,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:58,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:58,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:58,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:58,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:58,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:58,964 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:58,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:58,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:58,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:58,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:58,965 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:58,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:58,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:58,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:58,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:58,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:58,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:58,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:58,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:58,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:58,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:58,968 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:58,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:58,969 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:59,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:59,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:59,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:59,211 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:59,211 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:59,212 INFO L431 ainManager$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 10:07:59,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:59,291 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:59,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-13 10:08:00,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:00,732 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:00,732 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-13 10:08:00,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3da2a3254/c180ce1869fa4be595621ce03677a4e2/FLAG2c67711eb [2024-09-13 10:08:01,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3da2a3254/c180ce1869fa4be595621ce03677a4e2 [2024-09-13 10:08:01,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:01,128 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:01,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:01,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:01,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:01,134 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 10:07:59" (1/2) ... [2024-09-13 10:08:01,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430820a7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:01, skipping insertion in model container [2024-09-13 10:08:01,136 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 10:07:59" (1/2) ... [2024-09-13 10:08:01,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30c94a35 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:01, skipping insertion in model container [2024-09-13 10:08:01,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:01" (2/2) ... [2024-09-13 10:08:01,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430820a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01, skipping insertion in model container [2024-09-13 10:08:01,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:01" (2/2) ... [2024-09-13 10:08:01,151 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:01,154 INFO L1541 ArrayList]: Location invariant before [L123-L123] ((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 10:08:01,155 INFO L1541 ArrayList]: Location invariant before [L42-L42] (main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) [2024-09-13 10:08:01,155 INFO L1541 ArrayList]: Location invariant before [L24-L141] (main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) [2024-09-13 10:08:01,155 INFO L1541 ArrayList]: Location invariant before [L135-L135] ((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))) [2024-09-13 10:08:01,155 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 10:08:01,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:01,336 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 10:08:01,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:01,355 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-13 10:08:01,391 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 Start Parsing Local [2024-09-13 10:08:01,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:01,432 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:01,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01 WrapperNode [2024-09-13 10:08:01,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:01,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:01,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:01,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:01,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,479 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 10:08:01,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:01,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:01,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:01,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:01,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (1/1) ... [2024-09-13 10:08:01,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:01,522 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 10:08:01,524 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 10:08:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:01,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 10:08:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 10:08:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 10:08:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:01,611 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:01,613 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:01,914 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:01,975 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:01,975 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 10:08:01,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:01 BoogieIcfgContainer [2024-09-13 10:08:01,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:01,977 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:01,977 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:01,978 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:01,978 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 10:07:59" (1/4) ... [2024-09-13 10:08:01,979 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@51d98fdf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:01, skipping insertion in model container [2024-09-13 10:08:01,979 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:01" (2/4) ... [2024-09-13 10:08:01,979 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@51d98fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:01, skipping insertion in model container [2024-09-13 10:08:01,979 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:01" (3/4) ... [2024-09-13 10:08:01,980 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@51d98fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:01, skipping insertion in model container [2024-09-13 10:08:01,980 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:01" (4/4) ... [2024-09-13 10:08:01,981 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-13 10:08:01,984 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 10:08:01,985 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:01,985 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:01,985 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-13 10:08:01,986 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:01,986 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:01,986 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:01,986 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-13 10:08:02,031 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-13 10:08:02,033 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:02,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:02,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:02,035 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:02,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,158 INFO L101 BaseMinimizeStates]: Removed 64 edges and 18 locations by large block encoding [2024-09-13 10:08:02,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,160 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:02,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:02,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:02,186 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-13 10:08:02,227 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-13 10:08:02,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:02,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:02,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:02,228 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:02,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,368 INFO L101 BaseMinimizeStates]: Removed 69 edges and 18 locations by large block encoding [2024-09-13 10:08:02,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:02,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:02,369 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:02,386 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-13 10:08:02,401 INFO L314 BlockEncoder]: Initial Icfg 25 locations, 31 edges [2024-09-13 10:08:02,402 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:02,402 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:02,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:02,402 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:02,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,486 INFO L101 BaseMinimizeStates]: Removed 69 edges and 21 locations by large block encoding [2024-09-13 10:08:02,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,487 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:02,487 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:02,487 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:02,502 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-13 10:08:02,518 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-13 10:08:02,519 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:02,519 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:02,519 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:02,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:02,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,611 INFO L101 BaseMinimizeStates]: Removed 69 edges and 18 locations by large block encoding [2024-09-13 10:08:02,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,613 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:02,613 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:02,613 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:02,625 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-13 10:08:02,637 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-13 10:08:02,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:02,638 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:02,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:02,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:02,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,728 INFO L101 BaseMinimizeStates]: Removed 71 edges and 18 locations by large block encoding [2024-09-13 10:08:02,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:02,729 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:02,729 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:02,729 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:02,772 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 10:08:02,773 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 10:08:02,778 INFO L158 Benchmark]: Toolchain (without parser) took 1648.02ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 69.6MB in the beginning and 157.7MB in the end (delta: -88.1MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2024-09-13 10:08:02,778 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:02,779 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:02,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.85ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 69.4MB in the beginning and 159.6MB in the end (delta: -90.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:02,780 INFO L158 Benchmark]: Boogie Preprocessor took 56.26ms. Allocated memory is still 195.0MB. Free memory was 159.6MB in the beginning and 157.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:02,781 INFO L158 Benchmark]: RCFGBuilder took 483.01ms. Allocated memory is still 195.0MB. Free memory was 157.5MB in the beginning and 115.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-13 10:08:02,781 INFO L158 Benchmark]: Referee took 798.63ms. Allocated memory is still 195.0MB. Free memory was 115.5MB in the beginning and 157.7MB in the end (delta: -42.2MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-09-13 10:08:02,783 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 0.15ms. Allocated memory is still 142.6MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.85ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 69.4MB in the beginning and 159.6MB in the end (delta: -90.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.26ms. Allocated memory is still 195.0MB. Free memory was 159.6MB in the beginning and 157.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.01ms. Allocated memory is still 195.0MB. Free memory was 157.5MB in the beginning and 115.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Referee took 798.63ms. Allocated memory is still 195.0MB. Free memory was 115.5MB in the beginning and 157.7MB in the end (delta: -42.2MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:02,812 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-1d5fa63-m [2024-09-13 10:08:04,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:04,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:08:04,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:04,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:04,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:04,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:04,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:04,832 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:04,834 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:04,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:04,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:04,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:04,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:04,836 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:04,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:04,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:04,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:04,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:04,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:04,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:04,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:04,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:04,840 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:08:04,840 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:08:04,840 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:04,840 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:08:04,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:04,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:04,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:04,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:04,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:04,842 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:04,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:04,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:04,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:04,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:04,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:04,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:04,844 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:08:04,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:08:04,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:04,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:04,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:04,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:04,846 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:08:04,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:05,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:05,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:05,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:05,128 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:05,129 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:05,131 INFO L431 ainManager$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 10:08:06,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:06,604 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:06,605 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2024-09-13 10:08:06,610 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/de9581163/d70b2998c0c241ada4d626afd50dd36c/FLAG77122b663 [2024-09-13 10:08:07,027 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/de9581163/d70b2998c0c241ada4d626afd50dd36c [2024-09-13 10:08:07,030 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:07,031 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:07,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+sep-reducer.yml/witness-2.1.yml [2024-09-13 10:08:07,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:07,088 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:07,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:07,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:07,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:07,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:07" (1/2) ... [2024-09-13 10:08:07,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e65308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:07, skipping insertion in model container [2024-09-13 10:08:07,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:07" (1/2) ... [2024-09-13 10:08:07,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4efc762a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:07, skipping insertion in model container [2024-09-13 10:08:07,100 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 10:08:07" (2/2) ... [2024-09-13 10:08:07,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e65308 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:07, skipping insertion in model container [2024-09-13 10:08:07,100 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 10:08:07" (2/2) ... [2024-09-13 10:08:07,113 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:07,114 INFO L1541 ArrayList]: Location invariant before [L24-L141] (main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) [2024-09-13 10:08:07,114 INFO L1541 ArrayList]: Location invariant before [L135-L135] ((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))) [2024-09-13 10:08:07,114 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 10:08:07,114 INFO L1541 ArrayList]: Location invariant before [L123-L123] ((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 10:08:07,114 INFO L1541 ArrayList]: Location invariant before [L42-L42] (main__x < ((((main__x / 4294967296) * 4294967296) + (3 * ((((main__x / 4294967296) * -4294967296) + main__x) / 3))) + 1)) [2024-09-13 10:08:07,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:07,281 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 10:08:07,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:07,310 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-13 10:08:07,355 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 Start Parsing Local [2024-09-13 10:08:07,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:07,418 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:07,423 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:07 WrapperNode [2024-09-13 10:08:07,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:07,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:07,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:07,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:07,436 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,437 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,448 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,459 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 10:08:07,459 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,460 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,466 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,468 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,471 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,473 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:07,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:07,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:07,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:07,481 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 10:08:07" (1/1) ... [2024-09-13 10:08:07,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:07,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:07,517 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 10:08:07,519 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 10:08:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 10:08:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 10:08:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 10:08:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:07,641 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:07,643 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:08,073 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:08,119 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:08,120 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 10:08:08,120 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:08 BoogieIcfgContainer [2024-09-13 10:08:08,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:08,121 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:08,121 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:08,122 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:08,122 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:07" (1/4) ... [2024-09-13 10:08:08,123 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f6accf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:08, skipping insertion in model container [2024-09-13 10:08:08,123 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 10:08:07" (2/4) ... [2024-09-13 10:08:08,123 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f6accf0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:08, skipping insertion in model container [2024-09-13 10:08:08,123 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 10:08:07" (3/4) ... [2024-09-13 10:08:08,124 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f6accf0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:08, skipping insertion in model container [2024-09-13 10:08:08,124 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 10:08:08" (4/4) ... [2024-09-13 10:08:08,125 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2024-09-13 10:08:08,129 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 10:08:08,129 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:08,130 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:08,130 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 31 edges. [2024-09-13 10:08:08,131 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:08,131 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:08,131 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 28 edges. [2024-09-13 10:08:08,131 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-13 10:08:08,196 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-13 10:08:08,197 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:08,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:08,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:08,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:08,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,307 INFO L101 BaseMinimizeStates]: Removed 64 edges and 18 locations by large block encoding [2024-09-13 10:08:08,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:08,308 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:08,309 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:08,327 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-13 10:08:08,339 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-13 10:08:08,340 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:08,340 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:08,340 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:08,340 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:08,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,422 INFO L101 BaseMinimizeStates]: Removed 69 edges and 18 locations by large block encoding [2024-09-13 10:08:08,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:08,423 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:08,423 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:08,435 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-13 10:08:08,444 INFO L314 BlockEncoder]: Initial Icfg 25 locations, 31 edges [2024-09-13 10:08:08,445 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:08,445 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:08,445 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:08,445 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:08,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,504 INFO L101 BaseMinimizeStates]: Removed 69 edges and 21 locations by large block encoding [2024-09-13 10:08:08,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,504 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:08,505 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:08,505 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:08,517 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-13 10:08:08,531 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-13 10:08:08,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:08,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:08,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:08,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:08,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,599 INFO L101 BaseMinimizeStates]: Removed 69 edges and 18 locations by large block encoding [2024-09-13 10:08:08,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,600 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:08,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:08,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:08,611 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-13 10:08:08,622 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-13 10:08:08,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:08,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:08,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:08,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:08,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,686 INFO L101 BaseMinimizeStates]: Removed 71 edges and 18 locations by large block encoding [2024-09-13 10:08:08,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:08,687 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:08,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:08,688 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:08,702 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 10:08:08,703 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 10:08:08,708 INFO L158 Benchmark]: Toolchain (without parser) took 1619.56ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 52.5MB in the beginning and 27.7MB in the end (delta: 24.7MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-09-13 10:08:08,708 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:08,709 INFO L158 Benchmark]: Witness Parser took 0.72ms. Allocated memory is still 83.9MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:08,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.82ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 62.2MB in the end (delta: -9.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 10:08:08,710 INFO L158 Benchmark]: Boogie Preprocessor took 54.90ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 59.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:08,711 INFO L158 Benchmark]: RCFGBuilder took 640.09ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 36.8MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:08,711 INFO L158 Benchmark]: Referee took 585.85ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 36.8MB in the beginning and 27.7MB in the end (delta: 9.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:08,714 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 0.31ms. Allocated memory is still 60.8MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.72ms. Allocated memory is still 83.9MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.82ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 62.2MB in the end (delta: -9.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.90ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 59.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.09ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 36.8MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 585.85ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 36.8MB in the beginning and 27.7MB in the end (delta: 9.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:08,744 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