./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 a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-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-a9b967e-m [2024-09-11 20:46:47,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:47,961 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:47,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:47,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:47,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:47,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:47,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:47,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:47,987 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:47,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:47,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:47,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:47,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:47,988 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:47,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:47,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:47,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:47,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:47,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:47,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:47,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:47,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:47,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:47,991 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:47,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:47,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:47,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:47,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:47,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:47,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:47,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:47,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:47,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:47,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:47,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:47,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:47,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:47,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:47,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:47,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:47,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:47,997 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:48,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:48,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:48,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:48,248 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:48,249 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:48,250 INFO L431 ainManager$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 [2024-09-11 20:46:48,297 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:48,298 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:48,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-11 20:46:49,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:49,716 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:49,716 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-11 20:46:49,734 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4b1777beb/b0c833999905410fbe6e4b21cf476b69/FLAG35216f18b [2024-09-11 20:46:50,052 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4b1777beb/b0c833999905410fbe6e4b21cf476b69 [2024-09-11 20:46:50,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:50,054 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:50,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:50,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:50,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:50,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:48" (1/2) ... [2024-09-11 20:46:50,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2173a14e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:48" (1/2) ... [2024-09-11 20:46:50,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16c01b87 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:50" (2/2) ... [2024-09-11 20:46:50,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2173a14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:50" (2/2) ... [2024-09-11 20:46:50,094 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:50,095 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,095 INFO L1541 ArrayList]: Location invariant before [L225-L2614] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,095 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,095 INFO L1541 ArrayList]: Location invariant before [L865-L2392] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,096 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,096 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,096 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,096 INFO L1541 ArrayList]: Location invariant before [L664-L2464] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,096 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,096 INFO L1541 ArrayList]: Location invariant before [L426-L2542] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:50,407 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] [2024-09-11 20:46:50,415 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] [2024-09-11 20:46:50,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:50,476 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:46:50,608 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] [2024-09-11 20:46:50,611 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 [2024-09-11 20:46:50,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:50,683 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:50,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50 WrapperNode [2024-09-11 20:46:50,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:50,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:50,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:50,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:50,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,753 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-11 20:46:50,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:50,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:50,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:50,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:50,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:50,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:50,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:46:50,846 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:46:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:46:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:46:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:46:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:51,016 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:51,018 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:51,714 INFO L? ?]: Removed 570 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:51,714 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:51,751 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:51,751 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:46:51,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:51 BoogieIcfgContainer [2024-09-11 20:46:51,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:51,752 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:51,752 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:51,753 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:51,753 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:48" (1/4) ... [2024-09-11 20:46:51,754 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3d577b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:51, skipping insertion in model container [2024-09-11 20:46:51,754 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:50" (2/4) ... [2024-09-11 20:46:51,754 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3d577b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:51, skipping insertion in model container [2024-09-11 20:46:51,755 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50" (3/4) ... [2024-09-11 20:46:51,755 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3d577b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:51, skipping insertion in model container [2024-09-11 20:46:51,755 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:51" (4/4) ... [2024-09-11 20:46:51,756 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-11 20:46:51,759 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:46:51,760 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-11 20:46:51,761 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-11 20:46:51,761 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-11 20:46:51,762 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-11 20:46:51,762 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-11 20:46:51,762 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-11 20:46:51,763 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-11 20:46:51,763 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-11 20:46:51,763 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-11 20:46:51,764 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-11 20:46:51,764 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-11 20:46:51,764 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-11 20:46:51,764 INFO L130 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-11 20:46:51,869 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-11 20:46:51,871 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:51,871 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:51,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:51,872 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:51,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:52,089 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-11 20:46:52,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:52,090 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:52,090 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:52,091 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:52,097 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-11 20:46:52,098 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-11 20:46:52,105 INFO L158 Benchmark]: Toolchain (without parser) took 2050.28ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 137.6MB in the beginning and 96.8MB in the end (delta: 40.8MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,105 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:52,105 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:52,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.41ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 91.6MB in the end (delta: 46.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,106 INFO L158 Benchmark]: Boogie Preprocessor took 132.96ms. Allocated memory is still 172.0MB. Free memory was 91.6MB in the beginning and 84.2MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,106 INFO L158 Benchmark]: RCFGBuilder took 934.07ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 84.2MB in the beginning and 136.5MB in the end (delta: -52.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,106 INFO L158 Benchmark]: Referee took 351.11ms. Allocated memory is still 207.6MB. Free memory was 136.5MB in the beginning and 96.8MB in the end (delta: 39.7MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,108 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 0.16ms. Allocated memory is still 172.0MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.41ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 91.6MB in the end (delta: 46.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.96ms. Allocated memory is still 172.0MB. Free memory was 91.6MB in the beginning and 84.2MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 934.07ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 84.2MB in the beginning and 136.5MB in the end (delta: -52.3MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Referee took 351.11ms. Allocated memory is still 207.6MB. Free memory was 136.5MB in the beginning and 96.8MB in the end (delta: 39.7MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:52,133 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+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-a9b967e-m [2024-09-11 20:46:54,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:54,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:46:54,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:54,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:54,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:54,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:54,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:54,096 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:54,097 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:54,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:54,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:54,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:54,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:54,098 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:54,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:54,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:54,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:54,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:54,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:54,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:54,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:54,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:54,107 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:46:54,107 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:46:54,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:54,107 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:46:54,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:54,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:54,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:54,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:54,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:54,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:54,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:54,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:54,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:54,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:54,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:54,110 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:46:54,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:46:54,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:54,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:54,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:54,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:54,111 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:46:54,111 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:54,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:54,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:54,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:54,382 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:54,383 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:54,384 INFO L431 ainManager$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 [2024-09-11 20:46:54,430 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:54,431 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:54,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-11 20:46:55,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:55,906 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:55,906 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-11 20:46:55,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d54dc7c53/866421ada8604bd3b20faafd6cb79cb4/FLAG6e6fc1085 [2024-09-11 20:46:56,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d54dc7c53/866421ada8604bd3b20faafd6cb79cb4 [2024-09-11 20:46:56,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:56,269 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:56,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:56,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:56,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:56,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:54" (1/2) ... [2024-09-11 20:46:56,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdfba63 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:56, skipping insertion in model container [2024-09-11 20:46:56,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:54" (1/2) ... [2024-09-11 20:46:56,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@432957be and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:56, skipping insertion in model container [2024-09-11 20:46:56,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:56" (2/2) ... [2024-09-11 20:46:56,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdfba63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56, skipping insertion in model container [2024-09-11 20:46:56,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:56" (2/2) ... [2024-09-11 20:46:56,315 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:56,316 INFO L1541 ArrayList]: Location invariant before [L865-L2392] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,316 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,316 INFO L1541 ArrayList]: Location invariant before [L426-L2542] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,316 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,316 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,316 INFO L1541 ArrayList]: Location invariant before [L225-L2614] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,316 INFO L1541 ArrayList]: Location invariant before [L664-L2464] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,316 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,317 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,317 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:56,632 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] [2024-09-11 20:46:56,638 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] [2024-09-11 20:46:56,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:56,680 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:46:56,794 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] [2024-09-11 20:46:56,797 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 [2024-09-11 20:46:56,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:56,880 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:56,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56 WrapperNode [2024-09-11 20:46:56,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:56,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:56,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:56,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:56,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,948 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-11 20:46:56,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:57,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:57,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:57,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:57,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:57,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:57,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:57,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:57,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:57,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:46:57,043 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:46:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:57,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:46:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:46:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:46:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:57,204 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:57,205 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:58,333 INFO L? ?]: Removed 570 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:58,333 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:58,363 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:58,363 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:46:58,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:58 BoogieIcfgContainer [2024-09-11 20:46:58,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:58,364 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:58,364 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:58,365 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:58,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:54" (1/4) ... [2024-09-11 20:46:58,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f29a23e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:56" (2/4) ... [2024-09-11 20:46:58,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f29a23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (3/4) ... [2024-09-11 20:46:58,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f29a23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:58" (4/4) ... [2024-09-11 20:46:58,367 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-11 20:46:58,369 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:46:58,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-11 20:46:58,370 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-11 20:46:58,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-11 20:46:58,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-11 20:46:58,371 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-11 20:46:58,372 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-11 20:46:58,372 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-11 20:46:58,372 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-11 20:46:58,373 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-11 20:46:58,373 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-11 20:46:58,373 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-11 20:46:58,373 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-11 20:46:58,374 INFO L130 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-11 20:46:58,488 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-11 20:46:58,489 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:58,489 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:58,490 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:58,491 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:58,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:58,733 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-11 20:46:58,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:58,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:58,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:58,735 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:58,743 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-11 20:46:58,744 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-11 20:46:58,749 INFO L158 Benchmark]: Toolchain (without parser) took 2479.15ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 61.5MB in the beginning and 88.7MB in the end (delta: -27.2MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,750 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:58,750 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:58,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.88ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 66.6MB in the end (delta: -5.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,751 INFO L158 Benchmark]: Boogie Preprocessor took 127.93ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 57.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,752 INFO L158 Benchmark]: RCFGBuilder took 1354.35ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.6MB in the beginning and 55.2MB in the end (delta: 2.4MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,752 INFO L158 Benchmark]: Referee took 383.44ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 55.2MB in the beginning and 88.7MB in the end (delta: -33.5MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,755 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 0.10ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.88ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 66.6MB in the end (delta: -5.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.93ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 57.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1354.35ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 57.6MB in the beginning and 55.2MB in the end (delta: 2.4MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Referee took 383.44ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 55.2MB in the beginning and 88.7MB in the end (delta: -33.5MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:58,781 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug