./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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-invgen/id_build.i.p+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+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-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:25:33,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:34,001 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:34,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:34,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:34,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:34,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:34,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:34,053 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:34,053 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:34,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:34,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:34,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:34,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:34,058 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:34,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:34,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:34,059 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:34,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:34,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:34,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:34,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:34,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:34,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:34,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:34,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:34,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:34,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:34,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:34,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:34,065 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:34,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:34,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:34,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:34,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:34,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:34,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:34,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:34,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:34,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:34,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:34,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:34,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:34,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:34,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:34,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:34,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:34,359 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:34,361 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:34,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-20 13:25:34,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:34,419 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:34,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-20 13:25:35,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:36,112 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:36,112 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-20 13:25:36,127 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/014aea181/ae5451046a4348aabed1ed37d9c5f34f/FLAG938242df2 [2024-09-20 13:25:36,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/014aea181/ae5451046a4348aabed1ed37d9c5f34f [2024-09-20 13:25:36,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:36,431 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:36,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:36,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:36,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:36,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:34" (1/2) ... [2024-09-20 13:25:36,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff8acc1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:36, skipping insertion in model container [2024-09-20 13:25:36,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:34" (1/2) ... [2024-09-20 13:25:36,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ab13aa3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:36, skipping insertion in model container [2024-09-20 13:25:36,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:36" (2/2) ... [2024-09-20 13:25:36,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff8acc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:36, skipping insertion in model container [2024-09-20 13:25:36,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:36" (2/2) ... [2024-09-20 13:25:36,480 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:36,481 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:36,481 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:36,481 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:36,481 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-20 13:25:36,482 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-20 13:25:36,482 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:36,482 INFO L1541 ArrayList]: Location invariant before [L2300-L2300] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:36,482 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-20 13:25:36,482 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:36,482 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-20 13:25:36,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:36,935 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-09-20 13:25:36,968 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-09-20 13:25:36,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:36,998 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 13:25:37,168 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] Start Parsing Local [2024-09-20 13:25:37,186 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 13:25:37,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:37,224 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:37,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37 WrapperNode [2024-09-20 13:25:37,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:37,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:37,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:37,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:37,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,269 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,313 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]. [2024-09-20 13:25:37,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:37,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:37,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:37,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:37,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (1/1) ... [2024-09-20 13:25:37,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:37,430 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) [2024-09-20 13:25:37,432 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 [2024-09-20 13:25:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:25:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:25:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:25:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 13:25:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 13:25:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 13:25:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:37,636 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:37,638 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:38,656 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:38,707 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:38,710 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:25:38,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:38 BoogieIcfgContainer [2024-09-20 13:25:38,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:38,711 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:38,712 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:38,713 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:38,713 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:34" (1/4) ... [2024-09-20 13:25:38,714 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a0c3eee and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:38, skipping insertion in model container [2024-09-20 13:25:38,714 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:36" (2/4) ... [2024-09-20 13:25:38,714 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a0c3eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:38, skipping insertion in model container [2024-09-20 13:25:38,715 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:37" (3/4) ... [2024-09-20 13:25:38,715 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a0c3eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:38, skipping insertion in model container [2024-09-20 13:25:38,715 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:38" (4/4) ... [2024-09-20 13:25:38,716 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-20 13:25:38,720 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:25:38,721 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-20 13:25:38,721 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-20 13:25:38,722 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-09-20 13:25:38,723 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-20 13:25:38,724 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-20 13:25:38,724 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-20 13:25:38,724 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-20 13:25:38,725 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-09-20 13:25:38,725 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-20 13:25:38,726 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-09-20 13:25:38,726 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-20 13:25:38,727 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-09-20 13:25:38,727 INFO L131 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-20 13:25:38,862 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-20 13:25:38,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:38,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:38,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:38,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:38,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:39,717 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-20 13:25:39,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:39,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:39,720 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:39,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:39,749 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 13:25:39,750 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:145) 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) [2024-09-20 13:25:39,754 INFO L158 Benchmark]: Toolchain (without parser) took 3322.62ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 113.0MB in the beginning and 116.1MB in the end (delta: -3.1MB). Peak memory consumption was 123.0MB. Max. memory is 16.1GB. [2024-09-20 13:25:39,754 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 172.0MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:39,755 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:39,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.63ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 67.8MB in the end (delta: 44.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:39,758 INFO L158 Benchmark]: Boogie Preprocessor took 172.43ms. Allocated memory is still 172.0MB. Free memory was 67.8MB in the beginning and 60.2MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-20 13:25:39,759 INFO L158 Benchmark]: RCFGBuilder took 1311.48ms. Allocated memory is still 172.0MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 66.9kB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-20 13:25:39,760 INFO L158 Benchmark]: Referee took 1041.01ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 60.2MB in the beginning and 116.1MB in the end (delta: -55.9MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-09-20 13:25:39,764 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 0.22ms. Allocated memory is still 172.0MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.63ms. Allocated memory is still 172.0MB. Free memory was 112.7MB in the beginning and 67.8MB in the end (delta: 44.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 172.43ms. Allocated memory is still 172.0MB. Free memory was 67.8MB in the beginning and 60.2MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1311.48ms. Allocated memory is still 172.0MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 66.9kB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 1041.01ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 60.2MB in the beginning and 116.1MB in the end (delta: -55.9MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:25:39,793 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-invgen/id_build.i.p+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+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-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:25:41,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:42,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:25:42,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:42,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:42,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:42,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:42,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:42,063 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:42,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:42,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:42,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:42,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:42,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:42,067 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:42,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:42,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:42,068 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:42,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:42,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:42,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:42,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:42,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:42,073 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:25:42,073 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:25:42,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:42,073 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:25:42,074 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:42,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:42,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:42,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:42,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:42,075 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:42,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:42,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:42,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:42,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:42,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:42,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:42,079 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:25:42,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:25:42,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:42,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:42,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:42,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:42,080 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:25:42,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:42,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:42,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:42,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:42,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:42,431 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:42,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-20 13:25:44,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:44,320 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:44,321 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-20 13:25:44,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/af4b4f531/2829194e08e84e6a9ce0faba8ebb38ec/FLAG3e1f7ff98 [2024-09-20 13:25:44,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/af4b4f531/2829194e08e84e6a9ce0faba8ebb38ec [2024-09-20 13:25:44,615 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:44,615 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:44,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-20 13:25:44,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:44,687 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:44,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:44,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:44,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:44,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:44" (1/2) ... [2024-09-20 13:25:44,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17834842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:44, skipping insertion in model container [2024-09-20 13:25:44,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:44" (1/2) ... [2024-09-20 13:25:44,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57145dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:44, skipping insertion in model container [2024-09-20 13:25:44,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:44" (2/2) ... [2024-09-20 13:25:44,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17834842 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:44, skipping insertion in model container [2024-09-20 13:25:44,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:44" (2/2) ... [2024-09-20 13:25:44,744 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:44,745 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-20 13:25:44,745 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:44,745 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-20 13:25:44,745 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:44,745 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-20 13:25:44,745 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:44,746 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:44,746 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-20 13:25:44,746 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:44,746 INFO L1541 ArrayList]: Location invariant before [L2300-L2300] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-20 13:25:44,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:45,225 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-09-20 13:25:45,264 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-09-20 13:25:45,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:45,301 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 13:25:45,469 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] Start Parsing Local [2024-09-20 13:25:45,487 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 13:25:45,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:45,515 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:45,516 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:45 WrapperNode [2024-09-20 13:25:45,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:45,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:45,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:45,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:45,529 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,530 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,554 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,586 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]. [2024-09-20 13:25:45,588 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,588 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,627 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,651 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,656 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,660 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:45,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:45,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:45,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:45,670 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 20.09 01:25:45" (1/1) ... [2024-09-20 13:25:45,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:45,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:45,717 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) [2024-09-20 13:25:45,719 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 [2024-09-20 13:25:45,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:25:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 13:25:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:45,938 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:45,940 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:47,424 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:47,488 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:47,490 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:25:47,491 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:47 BoogieIcfgContainer [2024-09-20 13:25:47,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:47,492 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:47,492 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:47,493 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:47,493 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:44" (1/4) ... [2024-09-20 13:25:47,494 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ef120ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:47, skipping insertion in model container [2024-09-20 13:25:47,494 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:44" (2/4) ... [2024-09-20 13:25:47,495 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ef120ae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:47, skipping insertion in model container [2024-09-20 13:25:47,495 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 20.09 01:25:45" (3/4) ... [2024-09-20 13:25:47,495 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ef120ae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:47, skipping insertion in model container [2024-09-20 13:25:47,496 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:47" (4/4) ... [2024-09-20 13:25:47,497 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-20 13:25:47,500 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:25:47,501 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-20 13:25:47,502 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-20 13:25:47,503 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-09-20 13:25:47,504 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-20 13:25:47,504 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-20 13:25:47,504 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-20 13:25:47,505 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-20 13:25:47,505 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-09-20 13:25:47,506 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-20 13:25:47,507 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-09-20 13:25:47,507 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-20 13:25:47,507 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-09-20 13:25:47,508 INFO L131 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-20 13:25:47,656 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-20 13:25:47,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:47,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:47,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:47,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:47,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:48,795 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-20 13:25:48,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:48,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:48,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:48,800 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:48,906 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 13:25:48,907 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:145) 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) [2024-09-20 13:25:48,911 INFO L158 Benchmark]: Toolchain (without parser) took 4223.39ms. Allocated memory was 56.6MB in the beginning and 304.1MB in the end (delta: 247.5MB). Free memory was 31.3MB in the beginning and 233.8MB in the end (delta: -202.6MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2024-09-20 13:25:48,912 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 27.6MB in the beginning and 27.6MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:48,914 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 56.6MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:48,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.76ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 30.9MB in the beginning and 35.0MB in the end (delta: -4.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-09-20 13:25:48,916 INFO L158 Benchmark]: Boogie Preprocessor took 151.31ms. Allocated memory is still 69.2MB. Free memory was 35.0MB in the beginning and 42.0MB in the end (delta: -7.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-09-20 13:25:48,917 INFO L158 Benchmark]: RCFGBuilder took 1822.21ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 42.0MB in the beginning and 50.5MB in the end (delta: -8.5MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-09-20 13:25:48,918 INFO L158 Benchmark]: Referee took 1418.15ms. Allocated memory was 86.0MB in the beginning and 304.1MB in the end (delta: 218.1MB). Free memory was 50.5MB in the beginning and 233.8MB in the end (delta: -183.4MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2024-09-20 13:25:48,921 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 0.13ms. Allocated memory is still 46.1MB. Free memory was 27.6MB in the beginning and 27.6MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 56.6MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.76ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 30.9MB in the beginning and 35.0MB in the end (delta: -4.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.31ms. Allocated memory is still 69.2MB. Free memory was 35.0MB in the beginning and 42.0MB in the end (delta: -7.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1822.21ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 42.0MB in the beginning and 50.5MB in the end (delta: -8.5MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Referee took 1418.15ms. Allocated memory was 86.0MB in the beginning and 304.1MB in the end (delta: 218.1MB). Free memory was 50.5MB in the beginning and 233.8MB in the end (delta: -183.4MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:25:48,956 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