./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-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.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-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 20:46:54,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:54,523 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:54,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:54,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:54,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:54,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:54,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:54,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:54,577 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:54,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:54,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:54,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:54,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:54,580 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:54,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:54,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:54,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:54,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:54,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:54,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:54,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:54,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:54,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:54,586 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:54,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:54,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:54,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:54,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:54,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:54,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:54,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:54,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:54,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:54,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:54,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:54,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:54,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:54,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:54,590 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:54,590 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:54,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:54,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:54,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:54,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:54,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:54,896 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:54,897 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:54,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-11 20:46:54,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:54,993 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:54,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-11 20:46:56,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:56,764 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:56,764 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-11 20:46:56,772 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e75dd860a/54cd85bd11bc4ff49c6e90fb9bd99e22/FLAG4c530e950 [2024-09-11 20:46:56,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e75dd860a/54cd85bd11bc4ff49c6e90fb9bd99e22 [2024-09-11 20:46:56,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:56,793 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:56,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:56,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:56,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:56,800 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 20:46:56,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47975e15 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 20:46:56,802 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 20:46:56,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@194b15e3 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 20:46:56,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:56" (2/2) ... [2024-09-11 20:46:56,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47975e15 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 20:46:56,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:56" (2/2) ... [2024-09-11 20:46:56,813 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:56,814 INFO L1541 ArrayList]: Location invariant before [L23-L101] (0 < ((long long) main__i + 1)) [2024-09-11 20:46:56,814 INFO L1541 ArrayList]: Location invariant before [L39-L89] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,814 INFO L1541 ArrayList]: Location invariant before [L55-L86] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:57,016 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.v+lhb-reducer.c[854,867] [2024-09-11 20:46:57,029 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.v+lhb-reducer.c[1096,1109] [2024-09-11 20:46:57,031 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.v+lhb-reducer.c[1375,1388] [2024-09-11 20:46:57,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:57,049 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:46:57,066 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.v+lhb-reducer.c[854,867] [2024-09-11 20:46:57,068 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.v+lhb-reducer.c[1096,1109] [2024-09-11 20:46:57,072 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.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:46:57,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:57,128 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:57,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57 WrapperNode [2024-09-11 20:46:57,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:57,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:57,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:57,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:57,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,171 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 20:46:57,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:57,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:57,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:57,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:57,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (1/1) ... [2024-09-11 20:46:57,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:57,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:57,220 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 20:46:57,223 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 20:46:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:46:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:46:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:46:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:57,346 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:57,351 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:57,543 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:57,543 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:57,581 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:57,581 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:46:57,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:57 BoogieIcfgContainer [2024-09-11 20:46:57,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:57,583 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:57,583 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:57,586 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:57,586 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 20:46:57,587 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f879553 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:57, skipping insertion in model container [2024-09-11 20:46:57,588 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:56" (2/4) ... [2024-09-11 20:46:57,589 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f879553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:57, skipping insertion in model container [2024-09-11 20:46:57,589 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:57" (3/4) ... [2024-09-11 20:46:57,589 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f879553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:57, skipping insertion in model container [2024-09-11 20:46:57,589 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:57" (4/4) ... [2024-09-11 20:46:57,591 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-11 20:46:57,599 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:46:57,600 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-11 20:46:57,600 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-11 20:46:57,600 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-11 20:46:57,600 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:46:57,601 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-11 20:46:57,601 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-11 20:46:57,601 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-11 20:46:57,655 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-11 20:46:57,656 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:57,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:57,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:57,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:57,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:57,744 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-11 20:46:57,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:57,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:57,748 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:57,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:57,750 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-11 20:46:57,786 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-11 20:46:57,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:57,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:57,787 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:57,787 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:57,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:57,817 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:46:57,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:57,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:57,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:57,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:57,819 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-11 20:46:57,835 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-11 20:46:57,835 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:57,835 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:57,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:57,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:57,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:57,858 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-11 20:46:57,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:57,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:57,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:57,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:57,861 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-11 20:46:57,871 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:57,872 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:57,872 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:57,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:57,872 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:57,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:57,876 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-11 20:46:57,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:57,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:57,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:57,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:57,877 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-11 20:46:57,878 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 20:46:57,888 INFO L158 Benchmark]: Toolchain (without parser) took 1093.40ms. Allocated memory is still 188.7MB. Free memory was 157.6MB in the beginning and 107.8MB in the end (delta: 49.8MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-09-11 20:46:57,888 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:57,889 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 108.5MB in the beginning and 108.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:57,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.08ms. Allocated memory is still 188.7MB. Free memory was 157.4MB in the beginning and 147.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:57,890 INFO L158 Benchmark]: Boogie Preprocessor took 53.08ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 145.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:57,891 INFO L158 Benchmark]: RCFGBuilder took 398.30ms. Allocated memory is still 188.7MB. Free memory was 145.2MB in the beginning and 130.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:57,891 INFO L158 Benchmark]: Referee took 302.88ms. Allocated memory is still 188.7MB. Free memory was 130.9MB in the beginning and 107.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:57,895 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 0.19ms. Allocated memory is still 136.3MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 108.5MB in the beginning and 108.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.08ms. Allocated memory is still 188.7MB. Free memory was 157.4MB in the beginning and 147.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.08ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 145.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.30ms. Allocated memory is still 188.7MB. Free memory was 145.2MB in the beginning and 130.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 302.88ms. Allocated memory is still 188.7MB. Free memory was 130.9MB in the beginning and 107.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:57,920 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.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-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 20:47:00,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:00,302 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:00,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:00,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:00,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:00,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:00,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:00,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:00,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:00,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:00,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:00,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:00,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:00,356 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:00,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:00,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:00,360 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:00,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:00,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:00,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:00,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:00,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:00,362 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:00,362 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:00,362 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:00,362 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:00,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:00,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:00,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:00,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:00,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:00,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:00,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:00,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:00,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:00,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:00,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:00,366 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:00,367 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:00,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:00,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:00,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:00,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:00,368 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:00,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:00,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:00,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:00,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:00,748 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:00,749 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:00,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-11 20:47:00,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:00,803 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:00,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-11 20:47:02,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:02,573 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:02,574 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-11 20:47:02,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4e5d2ca6c/7abbef09f0f5462e945ceb11058e56c7/FLAG7ea2b2272 [2024-09-11 20:47:02,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4e5d2ca6c/7abbef09f0f5462e945ceb11058e56c7 [2024-09-11 20:47:02,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:02,965 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:02,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:02,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:02,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:02,975 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 08:47:00" (1/2) ... [2024-09-11 20:47:02,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c41671 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:02, skipping insertion in model container [2024-09-11 20:47:02,976 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 08:47:00" (1/2) ... [2024-09-11 20:47:02,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@522e1796 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:02, skipping insertion in model container [2024-09-11 20:47:02,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:02" (2/2) ... [2024-09-11 20:47:02,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c41671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:02, skipping insertion in model container [2024-09-11 20:47:02,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:02" (2/2) ... [2024-09-11 20:47:02,992 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:02,992 INFO L1541 ArrayList]: Location invariant before [L39-L89] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:47:02,993 INFO L1541 ArrayList]: Location invariant before [L55-L86] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:47:02,993 INFO L1541 ArrayList]: Location invariant before [L23-L101] (0 < ((long long) main__i + 1)) [2024-09-11 20:47:03,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:03,162 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.v+lhb-reducer.c[854,867] [2024-09-11 20:47:03,169 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.v+lhb-reducer.c[1096,1109] [2024-09-11 20:47:03,172 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.v+lhb-reducer.c[1375,1388] [2024-09-11 20:47:03,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:03,195 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:47:03,210 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.v+lhb-reducer.c[854,867] [2024-09-11 20:47:03,211 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.v+lhb-reducer.c[1096,1109] [2024-09-11 20:47:03,213 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.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:47:03,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:03,262 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:03,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03 WrapperNode [2024-09-11 20:47:03,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:03,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:03,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:03,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:03,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,286 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,307 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 20:47:03,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:03,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:03,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:03,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:03,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:03,364 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 20:47:03,370 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 20:47:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:47:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:47:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:47:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:47:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:47:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:47:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:03,502 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:03,505 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:03,701 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:03,701 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:03,743 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:03,743 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:47:03,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:03 BoogieIcfgContainer [2024-09-11 20:47:03,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:03,744 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:03,744 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:03,745 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:03,745 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 08:47:00" (1/4) ... [2024-09-11 20:47:03,746 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55dc3838 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:03, skipping insertion in model container [2024-09-11 20:47:03,746 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:02" (2/4) ... [2024-09-11 20:47:03,746 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55dc3838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:03, skipping insertion in model container [2024-09-11 20:47:03,746 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (3/4) ... [2024-09-11 20:47:03,747 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55dc3838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:03, skipping insertion in model container [2024-09-11 20:47:03,747 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:03" (4/4) ... [2024-09-11 20:47:03,748 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-11 20:47:03,763 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:47:03,764 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-11 20:47:03,764 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-11 20:47:03,765 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-11 20:47:03,765 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:03,765 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-11 20:47:03,765 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-11 20:47:03,765 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-11 20:47:03,806 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-11 20:47:03,807 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:03,807 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:03,808 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:03,809 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:03,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:03,898 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-11 20:47:03,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:03,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:03,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:03,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:03,901 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-11 20:47:03,924 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-11 20:47:03,924 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:03,924 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:03,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:03,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:03,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:03,971 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:47:03,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:03,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:03,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:03,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:03,974 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-11 20:47:03,999 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-11 20:47:03,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:03,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,000 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,000 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,027 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-11 20:47:04,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,029 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-11 20:47:04,050 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:04,050 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,050 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,055 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-11 20:47:04,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,056 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,056 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,056 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,057 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-11 20:47:04,057 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 20:47:04,063 INFO L158 Benchmark]: Toolchain (without parser) took 1097.14ms. Allocated memory is still 75.5MB. Free memory was 41.2MB in the beginning and 50.7MB in the end (delta: -9.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,064 INFO L158 Benchmark]: Witness Parser took 1.10ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:04,065 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:04,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.56ms. Allocated memory is still 75.5MB. Free memory was 41.0MB in the beginning and 48.7MB in the end (delta: -7.7MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,066 INFO L158 Benchmark]: Boogie Preprocessor took 66.10ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 46.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,067 INFO L158 Benchmark]: RCFGBuilder took 412.02ms. Allocated memory is still 75.5MB. Free memory was 46.3MB in the beginning and 30.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,067 INFO L158 Benchmark]: Referee took 317.42ms. Allocated memory is still 75.5MB. Free memory was 30.7MB in the beginning and 50.7MB in the end (delta: -20.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,071 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 1.10ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.56ms. Allocated memory is still 75.5MB. Free memory was 41.0MB in the beginning and 48.7MB in the end (delta: -7.7MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.10ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 46.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.02ms. Allocated memory is still 75.5MB. Free memory was 46.3MB in the beginning and 30.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 317.42ms. Allocated memory is still 75.5MB. Free memory was 30.7MB in the beginning and 50.7MB in the end (delta: -20.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:04,101 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