This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:25:23,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:23,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:23,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:23,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:23,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:23,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:23,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:23,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:23,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:23,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:23,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:23,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:23,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:23,399 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:23,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:23,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:23,399 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:23,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:23,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:23,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:23,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:23,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:23,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:23,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:23,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:23,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:23,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:23,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:23,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:23,403 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:23,404 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:23,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:23,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:23,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:23,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:23,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:23,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:23,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:23,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:23,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:23,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:23,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:23,406 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:23,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:23,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:23,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:23,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:23,587 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:23,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-20 13:25:24,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:25,077 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:25,077 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-20 13:25:25,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/30791ed0a/7a310420e7e0420483c3a8c3a2927808/FLAG4c9cc42bb [2024-09-20 13:25:25,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/30791ed0a/7a310420e7e0420483c3a8c3a2927808 [2024-09-20 13:25:25,478 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:25,480 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:25,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-20 13:25:25,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:25,565 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:25,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:25,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:25,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:25,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:25" (1/2) ... [2024-09-20 13:25:25,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f13f6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:25, skipping insertion in model container [2024-09-20 13:25:25,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:25" (1/2) ... [2024-09-20 13:25:25,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1afcf671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:25, skipping insertion in model container [2024-09-20 13:25:25,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:25" (2/2) ... [2024-09-20 13:25:25,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f13f6d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25, skipping insertion in model container [2024-09-20 13:25:25,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:25" (2/2) ... [2024-09-20 13:25:25,587 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:25,588 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)) [2024-09-20 13:25:25,589 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-20 13:25:25,589 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-20 13:25:25,589 INFO L1541 ArrayList]: Location invariant before [L30-L189] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-20 13:25:25,589 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-20 13:25:25,589 INFO L1541 ArrayList]: Location invariant before [L104-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))) [2024-09-20 13:25:25,590 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-09-20 13:25:25,590 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))) [2024-09-20 13:25:25,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:25,754 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+lhb-reducer.c[1215,1228] [2024-09-20 13:25:25,761 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+lhb-reducer.c[1969,1982] [2024-09-20 13:25:25,763 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+lhb-reducer.c[2490,2503] [2024-09-20 13:25:25,766 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+lhb-reducer.c[3282,3295] [2024-09-20 13:25:25,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:25,778 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-20 13:25:25,815 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+lhb-reducer.c[1215,1228] [2024-09-20 13:25:25,835 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+lhb-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-20 13:25:25,849 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+lhb-reducer.c[2490,2503] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 13:25:25,864 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+lhb-reducer.c[3282,3295] Start Parsing Local [2024-09-20 13:25:25,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:25,885 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:25,886 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25 WrapperNode [2024-09-20 13:25:25,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:25,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:25,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:25,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:25,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,924 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-09-20 13:25:25,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:25,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:25,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:25,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:25,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (1/1) ... [2024-09-20 13:25:25,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:25,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:25,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:25:25,995 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:25:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:25:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:25:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:25:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 13:25:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 13:25:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-20 13:25:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 13:25:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-20 13:25:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 13:25:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-20 13:25:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:26,141 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:26,147 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:26,462 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:26,506 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:26,510 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:25:26,510 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:26 BoogieIcfgContainer [2024-09-20 13:25:26,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:26,511 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:26,511 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:26,512 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:26,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:25" (1/4) ... [2024-09-20 13:25:26,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d10a058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:26, skipping insertion in model container [2024-09-20 13:25:26,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:25" (2/4) ... [2024-09-20 13:25:26,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d10a058 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:26, skipping insertion in model container [2024-09-20 13:25:26,514 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:25" (3/4) ... [2024-09-20 13:25:26,514 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d10a058 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:26, skipping insertion in model container [2024-09-20 13:25:26,515 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:26" (4/4) ... [2024-09-20 13:25:26,515 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-20 13:25:26,519 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:25:26,519 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 13:25:26,520 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-09-20 13:25:26,520 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 13:25:26,520 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:25:26,520 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-20 13:25:26,521 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:26,521 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-09-20 13:25:26,521 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:26,521 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:26,521 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-20 13:25:26,522 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:25:26,522 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-20 13:25:26,523 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-09-20 13:25:26,523 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 [2024-09-20 13:25:26,566 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-20 13:25:26,567 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:26,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:26,568 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:26,569 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:26,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:26,583 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-20 13:25:26,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:26,584 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:26,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:26,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:26,588 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:26,619 INFO L314 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-09-20 13:25:26,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:26,619 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:26,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:26,620 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:26,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:26,752 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-09-20 13:25:26,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:26,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:26,753 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:26,753 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:26,771 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 13:25:26,772 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 13:25:26,776 INFO L158 Benchmark]: Toolchain (without parser) took 1210.88ms. Allocated memory was 172.0MB in the beginning and 255.9MB in the end (delta: 83.9MB). Free memory was 98.1MB in the beginning and 128.4MB in the end (delta: -30.3MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-09-20 13:25:26,777 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory was 125.4MB in the beginning and 125.2MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:26,777 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:26,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.31ms. Allocated memory was 172.0MB in the beginning and 255.9MB in the end (delta: 83.9MB). Free memory was 97.9MB in the beginning and 224.8MB in the end (delta: -127.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-09-20 13:25:26,778 INFO L158 Benchmark]: Boogie Preprocessor took 56.84ms. Allocated memory is still 255.9MB. Free memory was 224.8MB in the beginning and 221.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:26,778 INFO L158 Benchmark]: RCFGBuilder took 562.90ms. Allocated memory is still 255.9MB. Free memory was 221.7MB in the beginning and 195.5MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-20 13:25:26,779 INFO L158 Benchmark]: Referee took 263.88ms. Allocated memory is still 255.9MB. Free memory was 195.5MB in the beginning and 128.4MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:26,781 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 172.0MB. Free memory was 125.4MB in the beginning and 125.2MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.31ms. Allocated memory was 172.0MB in the beginning and 255.9MB in the end (delta: 83.9MB). Free memory was 97.9MB in the beginning and 224.8MB in the end (delta: -127.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.84ms. Allocated memory is still 255.9MB. Free memory was 224.8MB in the beginning and 221.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.90ms. Allocated memory is still 255.9MB. Free memory was 221.7MB in the beginning and 195.5MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Referee took 263.88ms. Allocated memory is still 255.9MB. Free memory was 195.5MB in the beginning and 128.4MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:25:26,805 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:25:28,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:28,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:25:28,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:28,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:28,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:28,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:28,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:28,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:28,859 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:28,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:28,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:28,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:28,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:28,863 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:28,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:28,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:28,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:28,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:28,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:28,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:28,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:28,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:28,868 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:25:28,868 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:25:28,868 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:28,869 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:25:28,869 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:28,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:28,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:28,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:28,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:28,870 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:28,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:28,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:28,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:28,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:28,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:28,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:28,871 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:25:28,871 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:25:28,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:28,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:28,872 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:28,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:28,872 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:25:28,872 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:29,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:29,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:29,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:29,166 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:29,167 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:29,168 INFO L431 ainManager$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+lhb-reducer.yml/witness-2.1.yml [2024-09-20 13:25:29,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:29,231 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:29,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-20 13:25:30,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:30,786 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:30,789 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-20 13:25:30,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a95c31f29/5fb4ca20018c4d5eab164fb7075519ef/FLAGae01e1a8a [2024-09-20 13:25:30,808 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a95c31f29/5fb4ca20018c4d5eab164fb7075519ef [2024-09-20 13:25:30,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:30,810 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:30,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:30,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:30,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:30,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:29" (1/2) ... [2024-09-20 13:25:30,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db04f21 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:30, skipping insertion in model container [2024-09-20 13:25:30,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:29" (1/2) ... [2024-09-20 13:25:30,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40891b0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:30, skipping insertion in model container [2024-09-20 13:25:30,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:30" (2/2) ... [2024-09-20 13:25:30,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db04f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:30, skipping insertion in model container [2024-09-20 13:25:30,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:30" (2/2) ... [2024-09-20 13:25:30,833 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:30,835 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-20 13:25:30,835 INFO L1541 ArrayList]: Location invariant before [L104-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))) [2024-09-20 13:25:30,836 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-20 13:25:30,836 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-09-20 13:25:30,836 INFO L1541 ArrayList]: Location invariant before [L30-L189] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-20 13:25:30,836 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))) [2024-09-20 13:25:30,836 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-20 13:25:30,836 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)) [2024-09-20 13:25:30,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:31,029 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+lhb-reducer.c[1215,1228] [2024-09-20 13:25:31,038 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+lhb-reducer.c[1969,1982] [2024-09-20 13:25:31,043 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+lhb-reducer.c[2490,2503] [2024-09-20 13:25:31,046 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+lhb-reducer.c[3282,3295] [2024-09-20 13:25:31,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:31,057 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-20 13:25:31,089 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+lhb-reducer.c[1215,1228] [2024-09-20 13:25:31,093 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+lhb-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-20 13:25:31,106 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+lhb-reducer.c[2490,2503] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-20 13:25:31,118 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+lhb-reducer.c[3282,3295] Start Parsing Local [2024-09-20 13:25:31,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:31,145 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:31,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31 WrapperNode [2024-09-20 13:25:31,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:31,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:31,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:31,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:31,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,187 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,222 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-09-20 13:25:31,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:31,264 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:31,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:31,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:31,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (1/1) ... [2024-09-20 13:25:31,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:31,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:31,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:25:31,326 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:25:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:25:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:25:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:25:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 13:25:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-20 13:25:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-20 13:25:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-20 13:25:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-20 13:25:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 13:25:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-20 13:25:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 13:25:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-20 13:25:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 13:25:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-20 13:25:31,478 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:31,479 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:31,725 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:31,779 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:31,779 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:25:31,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:31 BoogieIcfgContainer [2024-09-20 13:25:31,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:31,780 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:31,781 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:31,781 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:31,782 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:29" (1/4) ... [2024-09-20 13:25:31,782 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@400fa4ee and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:31, skipping insertion in model container [2024-09-20 13:25:31,783 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:30" (2/4) ... [2024-09-20 13:25:31,783 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@400fa4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:31, skipping insertion in model container [2024-09-20 13:25:31,783 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31" (3/4) ... [2024-09-20 13:25:31,783 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@400fa4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:31, skipping insertion in model container [2024-09-20 13:25:31,784 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:31" (4/4) ... [2024-09-20 13:25:31,784 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-20 13:25:31,788 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:25:31,788 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 13:25:31,789 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-09-20 13:25:31,789 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 13:25:31,789 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:25:31,789 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-20 13:25:31,790 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-20 13:25:31,790 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-09-20 13:25:31,790 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:31,791 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-20 13:25:31,791 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-20 13:25:31,791 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:25:31,792 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-20 13:25:31,792 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-09-20 13:25:31,792 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 11 loop-free subgraphs from loop head to error location [2024-09-20 13:25:31,842 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-20 13:25:31,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:31,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:31,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:31,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:31,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:31,865 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-20 13:25:31,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:31,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:31,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:31,868 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:31,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:31,923 INFO L314 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-09-20 13:25:31,923 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:31,923 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:31,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:31,924 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:31,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:32,093 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-09-20 13:25:32,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:32,096 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:32,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:32,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:32,114 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 13:25:32,115 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 13:25:32,120 INFO L158 Benchmark]: Toolchain (without parser) took 1309.12ms. Allocated memory was 77.6MB in the beginning and 127.9MB in the end (delta: 50.3MB). Free memory was 39.0MB in the beginning and 67.4MB in the end (delta: -28.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-09-20 13:25:32,120 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 77.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:32,120 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:32,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.29ms. Allocated memory is still 77.6MB. Free memory was 38.9MB in the beginning and 48.2MB in the end (delta: -9.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-20 13:25:32,122 INFO L158 Benchmark]: Boogie Preprocessor took 117.40ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 45.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 13:25:32,122 INFO L158 Benchmark]: RCFGBuilder took 516.28ms. Allocated memory was 77.6MB in the beginning and 127.9MB in the end (delta: 50.3MB). Free memory was 45.2MB in the beginning and 98.3MB in the end (delta: -53.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:32,123 INFO L158 Benchmark]: Referee took 337.76ms. Allocated memory is still 127.9MB. Free memory was 98.3MB in the beginning and 67.4MB in the end (delta: 30.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-20 13:25:32,124 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 0.30ms. Allocated memory is still 77.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.29ms. Allocated memory is still 77.6MB. Free memory was 38.9MB in the beginning and 48.2MB in the end (delta: -9.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.40ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 45.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 516.28ms. Allocated memory was 77.6MB in the beginning and 127.9MB in the end (delta: 50.3MB). Free memory was 45.2MB in the beginning and 98.3MB in the end (delta: -53.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Referee took 337.76ms. Allocated memory is still 127.9MB. Free memory was 98.3MB in the beginning and 67.4MB in the end (delta: 30.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:25:32,153 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...