This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:25:23,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:23,725 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:23,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:23,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:23,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:23,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:23,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:23,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:23,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:23,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:23,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:23,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:23,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:23,764 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:23,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:23,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:23,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:23,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:23,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:23,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:23,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:23,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:23,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:23,767 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:23,767 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:23,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:23,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:23,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:23,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:23,768 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:23,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:23,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:23,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:23,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:23,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:23,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:23,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:23,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:23,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:23,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:23,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:23,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:23,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:23,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:24,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:24,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:24,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:24,028 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:24,029 INFO L431 ainManager$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 [2024-09-20 13:25:25,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:25,677 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:25,678 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 13:25:25,685 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/987c2abe4/b96dbff9c6ee4031a522b5eb8eb275cc/FLAG4ee63cc5e [2024-09-20 13:25:25,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/987c2abe4/b96dbff9c6ee4031a522b5eb8eb275cc [2024-09-20 13:25:25,701 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:25,701 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:25,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-09-20 13:25:25,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:25,778 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:25,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:25,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:25,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:25,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:25" (1/2) ... [2024-09-20 13:25:25,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452937d7 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 13:25:25,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:25" (1/2) ... [2024-09-20 13:25:25,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cda48ee 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 13:25:25,792 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 13:25:25,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452937d7 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 13:25:25,792 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 13:25:25,818 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:25,819 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-09-20 13:25:25,819 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 13:25:25,819 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-20 13:25:25,819 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))) [2024-09-20 13:25:25,819 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-20 13:25:25,819 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-20 13:25:25,819 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)) [2024-09-20 13:25:25,819 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 13:25:25,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:26,019 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] [2024-09-20 13:25:26,027 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] [2024-09-20 13:25:26,030 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] [2024-09-20 13:25:26,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:26,043 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-20 13:25:26,079 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] [2024-09-20 13:25:26,083 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 [2024-09-20 13:25:26,098 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 [2024-09-20 13:25:26,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:26,126 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:26,126 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:26 WrapperNode [2024-09-20 13:25:26,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:26,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:26,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:26,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:26,139 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,140 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,147 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,171 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 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 13:25:26,174 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,174 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,185 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,191 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,196 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,197 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:26,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:26,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:26,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:26,205 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 01:25:26" (1/1) ... [2024-09-20 13:25:26,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:26,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:26,240 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 13:25:26,245 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 13:25:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:25:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:25:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:25:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 13:25:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 13:25:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-20 13:25:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 13:25:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-20 13:25:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 13:25:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-20 13:25:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:26,358 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:26,360 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:26,629 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:26,674 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:26,674 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:25:26,678 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 13:25:26,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:26,679 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:26,679 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:26,680 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:26,680 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:25" (1/4) ... [2024-09-20 13:25:26,680 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f5e4a6b 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 13:25:26,681 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 13:25:26,681 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f5e4a6b 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 13:25:26,681 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 01:25:26" (3/4) ... [2024-09-20 13:25:26,681 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f5e4a6b 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 13:25:26,681 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 13:25:26,682 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 13:25:26,687 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:25:26,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:25:26,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-20 13:25:26,689 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-20 13:25:26,690 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 13:25:26,690 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 13:25:26,690 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-20 13:25:26,690 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-20 13:25:26,691 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-20 13:25:26,691 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-20 13:25:26,691 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-20 13:25:26,692 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:25:26,693 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-20 13:25:26,693 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-20 13:25:26,748 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-20 13:25:26,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:26,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:26,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:26,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:26,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:26,774 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-20 13:25:26,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:26,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:26,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:26,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:26,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:26,794 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:26,820 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-20 13:25:26,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:26,820 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:26,820 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:26,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:26,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:26,846 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-20 13:25:26,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:26,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:26,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:26,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:26,850 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:26,855 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:26,881 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-20 13:25:26,881 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:26,882 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:26,882 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:26,882 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:26,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,099 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-20 13:25:27,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,100 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:27,101 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:27,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:27,110 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 13:25:27,111 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 13:25:27,117 INFO L158 Benchmark]: Toolchain (without parser) took 1338.84ms. Allocated memory is still 151.0MB. Free memory was 125.4MB in the beginning and 78.6MB in the end (delta: 46.8MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2024-09-20 13:25:27,118 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:27,118 INFO L158 Benchmark]: Witness Parser took 0.52ms. Allocated memory is still 151.0MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:27,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.07ms. Allocated memory is still 151.0MB. Free memory was 125.4MB in the beginning and 109.5MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:25:27,121 INFO L158 Benchmark]: Boogie Preprocessor took 75.80ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 106.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 13:25:27,121 INFO L158 Benchmark]: RCFGBuilder took 474.73ms. Allocated memory is still 151.0MB. Free memory was 106.4MB in the beginning and 81.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-20 13:25:27,122 INFO L158 Benchmark]: Referee took 436.89ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 78.6MB in the end (delta: 2.6MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-09-20 13:25:27,125 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 0.18ms. Allocated memory is still 109.1MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.52ms. Allocated memory is still 151.0MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.07ms. Allocated memory is still 151.0MB. Free memory was 125.4MB in the beginning and 109.5MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.80ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 106.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 474.73ms. Allocated memory is still 151.0MB. Free memory was 106.4MB in the beginning and 81.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 436.89ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 78.6MB in the end (delta: 2.6MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:25:27,154 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:25:29,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:29,300 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:25:29,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:29,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:29,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:29,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:29,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:29,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:29,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:29,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:29,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:29,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:29,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:29,336 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:29,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:29,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:29,337 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:29,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:29,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:29,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:29,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:29,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:29,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:25:29,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:25:29,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:29,342 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:25:29,343 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:29,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:29,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:29,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:29,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:29,344 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:29,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:29,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:29,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:29,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:29,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:29,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:29,363 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:25:29,363 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:25:29,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:29,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:29,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:29,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:29,365 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:25:29,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:29,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:29,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:29,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:29,699 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:29,700 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:29,702 INFO L431 ainManager$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 [2024-09-20 13:25:29,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:29,764 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:29,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 13:25:31,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:31,543 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:31,544 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 13:25:31,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5d1c16d52/35d6b7408ce64887b706776be150eeea/FLAGef2bad621 [2024-09-20 13:25:31,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5d1c16d52/35d6b7408ce64887b706776be150eeea [2024-09-20 13:25:31,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:31,571 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:31,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:31,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:31,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:31,580 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 13:25:31,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e06d58c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:31, skipping insertion in model container [2024-09-20 13:25:31,584 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 13:25:31,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@113f52de and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:31, skipping insertion in model container [2024-09-20 13:25:31,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:31" (2/2) ... [2024-09-20 13:25:31,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e06d58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31, skipping insertion in model container [2024-09-20 13:25:31,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:31" (2/2) ... [2024-09-20 13:25:31,604 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:31,605 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)) [2024-09-20 13:25:31,605 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-09-20 13:25:31,605 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-09-20 13:25:31,605 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 13:25:31,606 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-20 13:25:31,606 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 13:25:31,606 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))) [2024-09-20 13:25:31,606 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-20 13:25:31,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:31,813 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] [2024-09-20 13:25:31,823 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] [2024-09-20 13:25:31,829 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] [2024-09-20 13:25:31,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:31,865 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-20 13:25:31,909 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] [2024-09-20 13:25:31,914 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 [2024-09-20 13:25:31,928 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 [2024-09-20 13:25:31,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:31,968 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:31,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:31 WrapperNode [2024-09-20 13:25:31,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:31,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:31,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:31,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:31,985 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 13:25:31,985 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 13:25:31,994 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 13:25:32,013 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 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 13:25:32,017 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 13:25:32,018 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 13:25:32,027 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 13:25:32,030 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 13:25:32,032 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 13:25:32,033 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 13:25:32,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:32,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:32,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:32,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:32,040 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 13:25:32,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:32,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:32,071 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 13:25:32,075 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 13:25:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:25:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:25:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:32,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:25:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 13:25:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-20 13:25:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-20 13:25:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-20 13:25:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-20 13:25:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 13:25:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-20 13:25:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 13:25:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-20 13:25:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 13:25:32,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-20 13:25:32,214 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:32,216 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:32,507 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:32,550 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:32,551 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:25:32,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:32 BoogieIcfgContainer [2024-09-20 13:25:32,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:32,552 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:32,552 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:32,553 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:32,553 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 13:25:32,553 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c94db5f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:32, skipping insertion in model container [2024-09-20 13:25:32,554 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:31" (2/4) ... [2024-09-20 13:25:32,554 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c94db5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:32, skipping insertion in model container [2024-09-20 13:25:32,554 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 13:25:32,554 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7c94db5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:32, skipping insertion in model container [2024-09-20 13:25:32,555 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:32" (4/4) ... [2024-09-20 13:25:32,556 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-09-20 13:25:32,559 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:25:32,560 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:25:32,560 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-09-20 13:25:32,562 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-09-20 13:25:32,562 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 13:25:32,562 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 13:25:32,562 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-09-20 13:25:32,562 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-20 13:25:32,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-09-20 13:25:32,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-09-20 13:25:32,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-09-20 13:25:32,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:25:32,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-09-20 13:25:32,564 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 13:25:32,635 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-20 13:25:32,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:32,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:32,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:32,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:32,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:32,664 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-20 13:25:32,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:32,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:32,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:32,667 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:32,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:32,684 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:32,712 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-09-20 13:25:32,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:32,714 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:32,714 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:32,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:32,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:32,739 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-09-20 13:25:32,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:32,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:32,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:32,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:32,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:32,742 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:32,764 INFO L314 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-09-20 13:25:32,764 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:32,765 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:32,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:32,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:32,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:32,979 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-09-20 13:25:32,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:32,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:32,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:32,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:32,987 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-20 13:25:32,987 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 13:25:32,993 INFO L158 Benchmark]: Toolchain (without parser) took 1421.42ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 66.9MB in the end (delta: -23.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-09-20 13:25:32,993 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 50.3MB. Free memory was 25.7MB in the beginning and 25.6MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:32,994 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 50.3MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:32,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.90ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 56.7MB in the end (delta: -13.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-09-20 13:25:32,995 INFO L158 Benchmark]: Boogie Preprocessor took 67.32ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 53.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:32,996 INFO L158 Benchmark]: RCFGBuilder took 512.79ms. Allocated memory is still 81.8MB. Free memory was 53.8MB in the beginning and 32.5MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:32,996 INFO L158 Benchmark]: Referee took 439.49ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 32.5MB in the beginning and 66.9MB in the end (delta: -34.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-09-20 13:25:33,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 50.3MB. Free memory was 25.7MB in the beginning and 25.6MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 50.3MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 51.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.90ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 56.7MB in the end (delta: -13.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.32ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 53.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.79ms. Allocated memory is still 81.8MB. Free memory was 53.8MB in the beginning and 32.5MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 439.49ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 32.5MB in the beginning and 66.9MB in the end (delta: -34.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:25:33,032 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...