./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:51,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:52,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:52,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:52,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:52,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:52,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:52,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:52,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:52,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:52,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:52,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:52,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:52,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:52,080 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:52,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:52,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:52,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:52,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:52,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:52,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:52,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:52,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:52,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:52,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:52,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:52,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:52,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:52,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:52,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:52,083 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:52,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:52,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:52,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:52,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:52,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:52,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:52,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:52,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:52,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:52,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:52,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:52,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:52,086 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:52,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:52,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:52,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:52,324 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:52,324 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:52,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-13 05:02:52,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:52,376 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:52,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-13 05:02:53,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:53,742 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:53,742 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-13 05:02:53,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1d3fb673b/0b88aedb61b94733b1395b8910398142/FLAGb0638059e [2024-09-13 05:02:53,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1d3fb673b/0b88aedb61b94733b1395b8910398142 [2024-09-13 05:02:53,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:53,763 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:53,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:53,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:53,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:53,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:52" (1/2) ... [2024-09-13 05:02:53,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef2c81f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:53, skipping insertion in model container [2024-09-13 05:02:53,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:52" (1/2) ... [2024-09-13 05:02:53,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bc560f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:53, skipping insertion in model container [2024-09-13 05:02:53,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:53" (2/2) ... [2024-09-13 05:02:53,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef2c81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:53, skipping insertion in model container [2024-09-13 05:02:53,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:53" (2/2) ... [2024-09-13 05:02:53,812 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:53,813 INFO L1541 ArrayList]: Location invariant before [L426-L2542] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,813 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,813 INFO L1541 ArrayList]: Location invariant before [L865-L2392] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,813 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,813 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,813 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,813 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,813 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,814 INFO L1541 ArrayList]: Location invariant before [L225-L2614] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,814 INFO L1541 ArrayList]: Location invariant before [L664-L2464] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:53,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:54,137 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-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-13 05:02:54,144 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-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2024-09-13 05:02:54,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:54,195 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:02:54,310 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-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-13 05:02:54,313 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-invgen/id_build.i.p+nlh-reducer.c[33038,33051] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:02:54,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:54,376 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:54,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54 WrapperNode [2024-09-13 05:02:54,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:54,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:54,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:54,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:54,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,400 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,432 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:02:54,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:54,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:54,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:54,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:54,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (1/1) ... [2024-09-13 05:02:54,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:54,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:54,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:02:54,520 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:02:54,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:02:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:02:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:02:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:02:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:54,683 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:54,684 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:55,360 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:55,396 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:55,397 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:02:55,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:55 BoogieIcfgContainer [2024-09-13 05:02:55,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:55,399 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:55,399 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:55,399 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:55,399 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:52" (1/4) ... [2024-09-13 05:02:55,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b0ec852 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:55, skipping insertion in model container [2024-09-13 05:02:55,400 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:53" (2/4) ... [2024-09-13 05:02:55,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b0ec852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:55, skipping insertion in model container [2024-09-13 05:02:55,400 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:54" (3/4) ... [2024-09-13 05:02:55,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b0ec852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:55, skipping insertion in model container [2024-09-13 05:02:55,400 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:55" (4/4) ... [2024-09-13 05:02:55,401 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-13 05:02:55,404 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:02:55,405 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-13 05:02:55,405 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-13 05:02:55,405 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-13 05:02:55,406 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-13 05:02:55,406 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-13 05:02:55,406 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-13 05:02:55,406 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-13 05:02:55,407 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-13 05:02:55,407 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-13 05:02:55,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-13 05:02:55,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-13 05:02:55,409 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-13 05:02:55,410 INFO L130 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-13 05:02:55,494 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-13 05:02:55,495 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:55,495 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:55,496 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:55,497 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:55,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:55,918 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-13 05:02:55,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:55,919 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:55,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:55,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:55,935 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:02:55,936 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:02:55,939 INFO L158 Benchmark]: Toolchain (without parser) took 2175.40ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 125.6MB in the beginning and 126.8MB in the end (delta: -1.1MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB. [2024-09-13 05:02:55,940 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:55,940 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:55,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.44ms. Allocated memory is still 161.5MB. Free memory was 125.6MB in the beginning and 80.5MB in the end (delta: 45.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:55,943 INFO L158 Benchmark]: Boogie Preprocessor took 118.18ms. Allocated memory is still 161.5MB. Free memory was 80.5MB in the beginning and 73.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 05:02:55,944 INFO L158 Benchmark]: RCFGBuilder took 901.80ms. Allocated memory is still 161.5MB. Free memory was 73.2MB in the beginning and 60.9MB in the end (delta: 12.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-13 05:02:55,944 INFO L158 Benchmark]: Referee took 539.34ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 60.9MB in the beginning and 126.8MB in the end (delta: -65.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-09-13 05:02:55,946 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 0.13ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.44ms. Allocated memory is still 161.5MB. Free memory was 125.6MB in the beginning and 80.5MB in the end (delta: 45.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.18ms. Allocated memory is still 161.5MB. Free memory was 80.5MB in the beginning and 73.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 901.80ms. Allocated memory is still 161.5MB. Free memory was 73.2MB in the beginning and 60.9MB in the end (delta: 12.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Referee took 539.34ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 60.9MB in the beginning and 126.8MB in the end (delta: -65.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:55,970 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:57,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:57,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:02:57,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:57,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:57,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:57,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:57,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:57,763 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:57,763 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:57,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:57,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:57,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:57,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:57,766 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:57,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:57,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:57,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:57,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:57,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:57,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:57,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:57,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:57,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:02:57,772 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:02:57,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:57,773 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:02:57,773 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:57,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:57,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:57,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:57,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:57,774 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:57,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:57,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:57,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:57,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:57,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:57,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:57,775 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:02:57,775 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:02:57,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:57,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:57,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:57,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:57,776 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:02:57,777 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:58,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:58,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:58,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:58,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:58,035 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:58,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-13 05:02:59,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:59,486 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:59,487 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-13 05:02:59,513 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6c307e3bc/c283be56ff2741b5b97c05ac17faaf00/FLAG79d2e9830 [2024-09-13 05:02:59,851 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6c307e3bc/c283be56ff2741b5b97c05ac17faaf00 [2024-09-13 05:02:59,853 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:59,853 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:59,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-13 05:02:59,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:59,896 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:59,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:59,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:59,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:59,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:59" (1/2) ... [2024-09-13 05:02:59,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405873a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:59, skipping insertion in model container [2024-09-13 05:02:59,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:59" (1/2) ... [2024-09-13 05:02:59,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68412f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:59, skipping insertion in model container [2024-09-13 05:02:59,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:59" (2/2) ... [2024-09-13 05:02:59,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405873a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:59, skipping insertion in model container [2024-09-13 05:02:59,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:59" (2/2) ... [2024-09-13 05:02:59,939 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:59,942 INFO L1541 ArrayList]: Location invariant before [L865-L2392] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,943 INFO L1541 ArrayList]: Location invariant before [L225-L2614] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,943 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,943 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,943 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,943 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,943 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,943 INFO L1541 ArrayList]: Location invariant before [L426-L2542] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,943 INFO L1541 ArrayList]: Location invariant before [L664-L2464] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,944 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:59,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:03:00,334 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-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-13 05:03:00,344 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-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2024-09-13 05:03:00,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:00,398 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:03:00,511 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-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-13 05:03:00,513 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-invgen/id_build.i.p+nlh-reducer.c[33038,33051] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:03:00,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:00,593 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:03:00,594 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00 WrapperNode [2024-09-13 05:03:00,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:00,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:03:00,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:03:00,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:03:00,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,629 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,654 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:03:00,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:03:00,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:03:00,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:03:00,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:03:00,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (1/1) ... [2024-09-13 05:03:00,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:00,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:03:00,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:03:00,739 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:03:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:03:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:03:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:03:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:03:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:03:00,771 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:03:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:03:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:03:00,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:03:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:03:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:03:00,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:03:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:03:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:03:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:03:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:03:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:03:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:03:00,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:03:00,885 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:03:00,886 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:01,874 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:01,919 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:01,920 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:03:01,920 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:01 BoogieIcfgContainer [2024-09-13 05:03:01,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:01,921 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:01,921 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:01,922 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:01,922 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:59" (1/4) ... [2024-09-13 05:03:01,923 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53f995ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:01, skipping insertion in model container [2024-09-13 05:03:01,923 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:59" (2/4) ... [2024-09-13 05:03:01,923 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53f995ec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:01, skipping insertion in model container [2024-09-13 05:03:01,923 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:00" (3/4) ... [2024-09-13 05:03:01,924 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53f995ec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:01, skipping insertion in model container [2024-09-13 05:03:01,924 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:01" (4/4) ... [2024-09-13 05:03:01,925 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-13 05:03:01,927 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:03:01,928 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-13 05:03:01,929 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-13 05:03:01,929 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-13 05:03:01,929 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-13 05:03:01,930 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-13 05:03:01,931 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-13 05:03:01,931 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-13 05:03:01,931 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-13 05:03:01,931 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-13 05:03:01,932 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-13 05:03:01,932 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-13 05:03:01,932 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-13 05:03:01,932 INFO L130 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-13 05:03:02,030 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-13 05:03:02,031 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:02,032 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:02,032 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:02,033 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:02,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,568 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-13 05:03:02,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,569 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:02,569 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:02,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:02,587 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:03:02,588 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:03:02,591 INFO L158 Benchmark]: Toolchain (without parser) took 2694.69ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 65.1MB in the beginning and 42.2MB in the end (delta: 22.9MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,592 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:02,592 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 88.1MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:02,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.22ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 51.1MB in the end (delta: 14.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,593 INFO L158 Benchmark]: Boogie Preprocessor took 114.63ms. Allocated memory is still 88.1MB. Free memory was 51.1MB in the beginning and 42.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,595 INFO L158 Benchmark]: RCFGBuilder took 1210.53ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 42.7MB in the beginning and 48.5MB in the end (delta: -5.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,596 INFO L158 Benchmark]: Referee took 669.20ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 48.5MB in the beginning and 42.2MB in the end (delta: 6.3MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,599 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 0.28ms. Allocated memory is still 62.9MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 88.1MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.22ms. Allocated memory is still 88.1MB. Free memory was 65.1MB in the beginning and 51.1MB in the end (delta: 14.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.63ms. Allocated memory is still 88.1MB. Free memory was 51.1MB in the beginning and 42.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1210.53ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 42.7MB in the beginning and 48.5MB in the end (delta: -5.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Referee took 669.20ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 48.5MB in the beginning and 42.2MB in the end (delta: 6.3MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:02,628 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