./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+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-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:45:35,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:35,579 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:45:35,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:35,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:35,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:35,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:35,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:35,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:35,623 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:35,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:35,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:35,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:35,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:35,624 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:35,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:35,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:35,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:35,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:45:35,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:35,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:35,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:35,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:35,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:35,627 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:35,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:35,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:35,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:35,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:35,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:35,628 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:35,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:35,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:35,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:35,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:35,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:35,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:35,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:45:35,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:45:35,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:35,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:35,631 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:35,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:35,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:35,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:35,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:35,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:35,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:35,854 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:35,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 11:45:37,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:37,361 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:37,362 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 11:45:37,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a201b706c/7d200a5d656844c6bdc5be1a8a80b883/FLAGc8e45fbed [2024-09-25 11:45:37,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a201b706c/7d200a5d656844c6bdc5be1a8a80b883 [2024-09-25 11:45:37,768 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:37,769 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:37,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-25 11:45:37,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:37,808 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:37,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:37,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:37,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:37,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:37" (1/2) ... [2024-09-25 11:45:37,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce571c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:37, skipping insertion in model container [2024-09-25 11:45:37,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:37" (1/2) ... [2024-09-25 11:45:37,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5114d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:37, skipping insertion in model container [2024-09-25 11:45:37,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:37" (2/2) ... [2024-09-25 11:45:37,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce571c7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:37, skipping insertion in model container [2024-09-25 11:45:37,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:37" (2/2) ... [2024-09-25 11:45:37,824 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:37,824 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-25 11:45:37,824 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-09-25 11:45:37,825 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-25 11:45:37,825 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-25 11:45:37,825 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-25 11:45:37,825 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (main__loop_entered == 0)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) [2024-09-25 11:45:37,825 INFO L1541 ArrayList]: Location invariant before [L105-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-25 11:45:37,825 INFO L1541 ArrayList]: Location invariant before [L102-L136] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-25 11:45:37,825 INFO L1541 ArrayList]: Function contract at [L14]: requires null, ensures ((__return_main == \old(__return_main)) && (\old(__return_136) == __return_136)) [2024-09-25 11:45:37,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:37,954 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-25 11:45:37,960 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] [2024-09-25 11:45:37,963 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] [2024-09-25 11:45:37,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:37,971 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local [2024-09-25 11:45:38,009 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-25 11:45:38,012 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-25 11:45:38,022 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:45:38,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:38,050 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:45:38,051 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38 WrapperNode [2024-09-25 11:45:38,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:38,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:45:38,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:45:38,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:45:38,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,079 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:45:38,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:45:38,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:45:38,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:45:38,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:45:38,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (1/1) ... [2024-09-25 11:45:38,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:38,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:45:38,138 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) [2024-09-25 11:45:38,145 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 [2024-09-25 11:45:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:45:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:45:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:45:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:45:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:45:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:45:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:45:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:45:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:45:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:45:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:45:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:45:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:45:38,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 11:45:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:45:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:45:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:45:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:45:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:45:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:45:38,250 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:45:38,252 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:45:38,476 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:45:38,509 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:45:38,509 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:45:38,510 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:38 BoogieIcfgContainer [2024-09-25 11:45:38,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:45:38,510 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:45:38,510 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:45:38,511 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:45:38,511 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:37" (1/4) ... [2024-09-25 11:45:38,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5048bb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:38, skipping insertion in model container [2024-09-25 11:45:38,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:37" (2/4) ... [2024-09-25 11:45:38,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5048bb60 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:38, skipping insertion in model container [2024-09-25 11:45:38,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:38" (3/4) ... [2024-09-25 11:45:38,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5048bb60 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:38, skipping insertion in model container [2024-09-25 11:45:38,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:38" (4/4) ... [2024-09-25 11:45:38,513 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 11:45:38,516 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:45:38,517 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:45:38,517 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-25 11:45:38,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-25 11:45:38,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:45:38,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:45:38,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 11:45:38,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 11:45:38,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 11:45:38,519 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 50 edges. [2024-09-25 11:45:38,519 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-25 11:45:38,519 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-25 11:45:38,519 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:45:38,519 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-25 11:45:38,520 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:45:38,569 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-25 11:45:38,573 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:38,577 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:38,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:38,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:38,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:38,614 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-25 11:45:38,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:38,616 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:38,616 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:38,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:38,619 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:38,630 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:38,660 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-25 11:45:38,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:38,660 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:38,662 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:38,662 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:38,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:38,712 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-25 11:45:38,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:38,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:38,716 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:38,716 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:38,718 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:38,724 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:38,783 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-25 11:45:38,783 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:38,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:38,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:38,784 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:38,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:38,933 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-25 11:45:38,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:38,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:38,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:38,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:38,941 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-25 11:45:38,941 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-25 11:45:38,945 INFO L158 Benchmark]: Toolchain (without parser) took 1135.91ms. Allocated memory is still 224.4MB. Free memory was 151.5MB in the beginning and 130.4MB in the end (delta: 21.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:38,946 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:38,946 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 224.4MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:38,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.92ms. Allocated memory is still 224.4MB. Free memory was 151.1MB in the beginning and 135.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:45:38,947 INFO L158 Benchmark]: Boogie Preprocessor took 56.21ms. Allocated memory is still 224.4MB. Free memory was 135.1MB in the beginning and 132.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:38,948 INFO L158 Benchmark]: RCFGBuilder took 401.20ms. Allocated memory is still 224.4MB. Free memory was 132.6MB in the beginning and 107.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-25 11:45:38,948 INFO L158 Benchmark]: Referee took 433.57ms. Allocated memory is still 224.4MB. Free memory was 107.5MB in the beginning and 130.4MB in the end (delta: -22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:38,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 224.4MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.92ms. Allocated memory is still 224.4MB. Free memory was 151.1MB in the beginning and 135.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.21ms. Allocated memory is still 224.4MB. Free memory was 135.1MB in the beginning and 132.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.20ms. Allocated memory is still 224.4MB. Free memory was 132.6MB in the beginning and 107.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 433.57ms. Allocated memory is still 224.4MB. Free memory was 107.5MB in the beginning and 130.4MB in the end (delta: -22.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:45:38,976 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/11.0.12-open/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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+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-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:45:41,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:41,779 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:45:41,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:41,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:41,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:41,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:41,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:41,812 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:41,815 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:41,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:41,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:41,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:41,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:41,817 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:41,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:41,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:41,817 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:41,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:41,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:41,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:41,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:41,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:41,821 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:45:41,821 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:45:41,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:41,822 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:45:41,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:41,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:41,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:41,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:41,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:41,823 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:41,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:41,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:41,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:41,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:41,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:41,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:41,824 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:45:41,825 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:45:41,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:41,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:41,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:41,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:41,827 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:45:41,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:42,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:42,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:42,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:42,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:42,154 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:42,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 11:45:43,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:43,642 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:43,642 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 11:45:43,649 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f1bacc004/1a59b52ac0014ab8af47c286b3177de6/FLAG42facb798 [2024-09-25 11:45:44,050 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f1bacc004/1a59b52ac0014ab8af47c286b3177de6 [2024-09-25 11:45:44,052 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:44,053 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:44,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-25 11:45:44,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:44,108 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:44,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:44,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:44,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:44,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:44" (1/2) ... [2024-09-25 11:45:44,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42561d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:44, skipping insertion in model container [2024-09-25 11:45:44,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:44" (1/2) ... [2024-09-25 11:45:44,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70b55cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:44, skipping insertion in model container [2024-09-25 11:45:44,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:44" (2/2) ... [2024-09-25 11:45:44,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42561d50 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44, skipping insertion in model container [2024-09-25 11:45:44,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:44" (2/2) ... [2024-09-25 11:45:44,132 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:44,133 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-25 11:45:44,134 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-25 11:45:44,134 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-25 11:45:44,134 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-09-25 11:45:44,134 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-25 11:45:44,134 INFO L1541 ArrayList]: Location invariant before [L105-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-09-25 11:45:44,134 INFO L1541 ArrayList]: Location invariant before [L102-L136] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-09-25 11:45:44,134 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (main__loop_entered == 0)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) [2024-09-25 11:45:44,134 INFO L1541 ArrayList]: Function contract at [L14]: requires null, ensures ((__return_main == \old(__return_main)) && (\old(__return_136) == __return_136)) [2024-09-25 11:45:44,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:44,291 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-25 11:45:44,302 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] [2024-09-25 11:45:44,308 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] [2024-09-25 11:45:44,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:44,323 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local [2024-09-25 11:45:44,363 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-09-25 11:45:44,366 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-25 11:45:44,375 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:45:44,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:44,409 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:45:44,409 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44 WrapperNode [2024-09-25 11:45:44,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:44,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:45:44,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:45:44,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:45:44,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,433 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,446 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:45:44,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:45:44,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:45:44,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:45:44,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:45:44,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (1/1) ... [2024-09-25 11:45:44,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:44,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:45:44,503 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) [2024-09-25 11:45:44,517 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 [2024-09-25 11:45:44,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:45:44,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:45:44,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:45:44,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:45:44,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:45:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:45:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:45:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:45:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:45:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:45:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:45:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:45:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:45:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 11:45:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-09-25 11:45:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:45:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-09-25 11:45:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:45:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:45:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:45:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:45:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:45:44,614 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:45:44,616 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:45:44,802 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:45:44,865 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:45:44,865 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:45:44,865 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:44 BoogieIcfgContainer [2024-09-25 11:45:44,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:45:44,866 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:45:44,866 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:45:44,869 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:45:44,870 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:44" (1/4) ... [2024-09-25 11:45:44,870 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7de535bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:44, skipping insertion in model container [2024-09-25 11:45:44,870 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:44" (2/4) ... [2024-09-25 11:45:44,870 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7de535bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:44, skipping insertion in model container [2024-09-25 11:45:44,870 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:44" (3/4) ... [2024-09-25 11:45:44,871 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7de535bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:44, skipping insertion in model container [2024-09-25 11:45:44,871 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:44" (4/4) ... [2024-09-25 11:45:44,871 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-25 11:45:44,875 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:45:44,876 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:45:44,876 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-25 11:45:44,877 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-25 11:45:44,877 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:45:44,877 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:45:44,877 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-25 11:45:44,877 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 11:45:44,878 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-25 11:45:44,878 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 50 edges. [2024-09-25 11:45:44,878 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-25 11:45:44,879 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-25 11:45:44,879 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:45:44,879 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-25 11:45:44,880 INFO L131 InvariantChecker]: Will check 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:45:44,929 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-25 11:45:44,931 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:44,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:44,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:44,932 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:44,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:44,951 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-25 11:45:44,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:44,953 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:44,953 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:44,953 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:44,957 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:44,966 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:44,994 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-25 11:45:44,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:44,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:44,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:44,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:44,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:45,017 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-25 11:45:45,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:45,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:45,019 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:45,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:45,020 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:45:45,022 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:45:45,049 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-25 11:45:45,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:45,049 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:45,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:45,050 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:45,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:45,212 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-25 11:45:45,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:45,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:45,213 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:45,213 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:45,218 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-25 11:45:45,218 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-25 11:45:45,222 INFO L158 Benchmark]: Toolchain (without parser) took 1113.38ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 32.4MB in the beginning and 42.2MB in the end (delta: -9.8MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-09-25 11:45:45,222 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 46.1MB. Free memory was 27.8MB in the beginning and 27.8MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:45,223 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:45,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.71ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 29.8MB in the end (delta: 2.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:45,223 INFO L158 Benchmark]: Boogie Preprocessor took 63.19ms. Allocated memory is still 56.6MB. Free memory was 29.8MB in the beginning and 27.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 11:45:45,224 INFO L158 Benchmark]: RCFGBuilder took 390.71ms. Allocated memory is still 56.6MB. Free memory was 27.1MB in the beginning and 32.7MB in the end (delta: -5.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:45,224 INFO L158 Benchmark]: Referee took 354.92ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 32.7MB in the beginning and 42.2MB in the end (delta: -9.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-09-25 11:45:45,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 46.1MB. Free memory was 27.8MB in the beginning and 27.8MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.71ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 29.8MB in the end (delta: 2.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.19ms. Allocated memory is still 56.6MB. Free memory was 29.8MB in the beginning and 27.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 390.71ms. Allocated memory is still 56.6MB. Free memory was 27.1MB in the beginning and 32.7MB in the end (delta: -5.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Referee took 354.92ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 32.7MB in the beginning and 42.2MB in the end (delta: -9.5MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:45:45,246 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug