This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:16,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:16,271 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:16,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:16,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:16,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:16,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:16,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:16,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:16,307 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:16,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:16,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:16,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:16,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:16,311 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:16,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:16,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:16,312 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:16,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:16,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:16,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:16,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:16,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:16,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:16,317 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:16,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:16,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:16,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:16,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:16,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:16,318 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:16,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:16,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:16,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:16,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:16,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:16,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:16,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:16,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:16,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:16,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:16,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:16,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:16,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:16,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:16,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:16,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:16,618 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:16,620 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:16,621 INFO L431 ainManager$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 [2024-09-13 10:07:16,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:16,689 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:16,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 10:07:18,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:18,362 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:18,362 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 10:07:18,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a29c7431d/32f79d93d3bd41c78b33c2c3c8c5f721/FLAG438cebe85 [2024-09-13 10:07:18,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a29c7431d/32f79d93d3bd41c78b33c2c3c8c5f721 [2024-09-13 10:07:18,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:18,383 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:18,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:18,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:18,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:18,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:16" (1/2) ... [2024-09-13 10:07:18,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63411d4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:18, skipping insertion in model container [2024-09-13 10:07:18,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:16" (1/2) ... [2024-09-13 10:07:18,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39720b07 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:18, skipping insertion in model container [2024-09-13 10:07:18,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:18" (2/2) ... [2024-09-13 10:07:18,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63411d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18, skipping insertion in model container [2024-09-13 10:07:18,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:18" (2/2) ... [2024-09-13 10:07:18,404 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:18,405 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))) [2024-09-13 10:07:18,405 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 10:07:18,405 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && ((main__loop_entered % 4294967296) == 0)) [2024-09-13 10:07:18,405 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-13 10:07:18,405 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-13 10:07:18,405 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && ((main__loop_entered % 4294967296) == 0)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-13 10:07:18,405 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-13 10:07:18,405 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 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-13 10:07:18,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:18,615 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2024-09-13 10:07:18,626 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] [2024-09-13 10:07:18,632 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2490,2503] [2024-09-13 10:07:18,638 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] [2024-09-13 10:07:18,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:18,652 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-13 10:07:18,693 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2024-09-13 10:07:18,696 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-13 10:07:18,708 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-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 [2024-09-13 10:07:18,724 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] Start Parsing Local [2024-09-13 10:07:18,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:18,743 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:18,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18 WrapperNode [2024-09-13 10:07:18,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:18,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:18,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:18,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:18,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,784 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]. [2024-09-13 10:07:18,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:18,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:18,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:18,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:18,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (1/1) ... [2024-09-13 10:07:18,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:18,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:18,862 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) [2024-09-13 10:07:18,867 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 [2024-09-13 10:07:18,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:18,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:18,911 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:18,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:18,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:07:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 10:07:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 10:07:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-13 10:07:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 10:07:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-13 10:07:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 10:07:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-13 10:07:18,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:19,008 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:19,010 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:19,471 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:19,548 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:19,549 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:07:19,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:19 BoogieIcfgContainer [2024-09-13 10:07:19,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:19,551 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:19,551 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:19,552 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:19,553 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:16" (1/4) ... [2024-09-13 10:07:19,554 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4446eee0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:19, skipping insertion in model container [2024-09-13 10:07:19,554 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:18" (2/4) ... [2024-09-13 10:07:19,555 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4446eee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:19, skipping insertion in model container [2024-09-13 10:07:19,555 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:18" (3/4) ... [2024-09-13 10:07:19,555 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4446eee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:19, skipping insertion in model container [2024-09-13 10:07:19,555 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:19" (4/4) ... [2024-09-13 10:07:19,556 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 10:07:19,563 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:07:19,564 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 10:07:19,564 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-09-13 10:07:19,564 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:19,564 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 10:07:19,564 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 10:07:19,565 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 10:07:19,565 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-09-13 10:07:19,565 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 10:07:19,565 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 10:07:19,566 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-13 10:07:19,566 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:07:19,567 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-13 10:07:19,567 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-09-13 10:07:19,567 INFO L130 InvariantChecker]: Will check 11 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 [2024-09-13 10:07:19,619 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-13 10:07:19,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:19,620 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:19,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:19,621 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:19,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:19,640 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-13 10:07:19,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:19,641 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:19,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:19,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:19,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:19,704 INFO L314 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-09-13 10:07:19,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:19,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:19,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:19,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:19,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:19,880 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-09-13 10:07:19,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:19,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:19,882 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:19,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:19,905 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 10:07:19,906 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 10:07:19,913 INFO L158 Benchmark]: Toolchain (without parser) took 1529.34ms. Allocated memory is still 167.8MB. Free memory was 112.3MB in the beginning and 65.2MB in the end (delta: 47.1MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-09-13 10:07:19,913 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:19,913 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:19,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.64ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 95.5MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:19,914 INFO L158 Benchmark]: Boogie Preprocessor took 67.53ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 92.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:07:19,915 INFO L158 Benchmark]: RCFGBuilder took 737.78ms. Allocated memory is still 167.8MB. Free memory was 92.4MB in the beginning and 132.3MB in the end (delta: -39.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:19,915 INFO L158 Benchmark]: Referee took 359.94ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 65.2MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:19,919 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.64ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 95.5MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.53ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 92.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 737.78ms. Allocated memory is still 167.8MB. Free memory was 92.4MB in the beginning and 132.3MB in the end (delta: -39.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Referee took 359.94ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 65.2MB 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. [2024-09-13 10:07:19,951 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-dev-1d5fa63-m [2024-09-13 10:07:22,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:22,314 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:07:22,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:22,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:22,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:22,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:22,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:22,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:22,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:22,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:22,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:22,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:22,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:22,353 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:22,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:22,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:22,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:22,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:22,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:22,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:22,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:22,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:22,361 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:07:22,361 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:07:22,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:22,362 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:07:22,362 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:22,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:22,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:22,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:22,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:22,364 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:22,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:22,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:22,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:22,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:22,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:22,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:22,366 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:07:22,366 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:07:22,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:22,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:22,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:22,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:22,368 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:07:22,369 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:22,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:22,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:22,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:22,730 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:22,731 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:22,732 INFO L431 ainManager$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 [2024-09-13 10:07:22,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:22,793 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:22,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 10:07:24,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:24,528 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:24,528 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 10:07:24,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/53b2d7898/5e167cbc88b34376bc285e60abe8ea72/FLAG89ff5f2f6 [2024-09-13 10:07:24,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/53b2d7898/5e167cbc88b34376bc285e60abe8ea72 [2024-09-13 10:07:24,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:24,909 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:24,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:24,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:24,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:24,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:22" (1/2) ... [2024-09-13 10:07:24,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bd3985 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:24, skipping insertion in model container [2024-09-13 10:07:24,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:22" (1/2) ... [2024-09-13 10:07:24,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27c867de and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:24, skipping insertion in model container [2024-09-13 10:07:24,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:24" (2/2) ... [2024-09-13 10:07:24,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bd3985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:24, skipping insertion in model container [2024-09-13 10:07:24,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:24" (2/2) ... [2024-09-13 10:07:24,939 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:24,939 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && ((main__loop_entered % 4294967296) == 0)) [2024-09-13 10:07:24,939 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-09-13 10:07:24,940 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 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999))) [2024-09-13 10:07:24,940 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296)) && ((main__index2 % 4294967296) <= 99999)) [2024-09-13 10:07:24,940 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && ((main__loop_entered % 4294967296) == 0)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && (main__index2 <= (((main__index2 / 4294967296) * 4294967296) + 99999))) [2024-09-13 10:07:24,940 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))) [2024-09-13 10:07:24,940 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) (main__index1 % 4294967296) + 1) <= (main__index2 % 4294967296))) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-09-13 10:07:24,940 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-09-13 10:07:24,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:25,151 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2024-09-13 10:07:25,162 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] [2024-09-13 10:07:25,165 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[2490,2503] [2024-09-13 10:07:25,169 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] [2024-09-13 10:07:25,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:25,185 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-13 10:07:25,229 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2024-09-13 10:07:25,234 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-09-13 10:07:25,248 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-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 [2024-09-13 10:07:25,266 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[3282,3295] Start Parsing Local [2024-09-13 10:07:25,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:25,293 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:25,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25 WrapperNode [2024-09-13 10:07:25,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:25,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:25,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:25,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:25,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,317 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,342 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]. [2024-09-13 10:07:25,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:25,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:25,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:25,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:25,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (1/1) ... [2024-09-13 10:07:25,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:25,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:25,416 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) [2024-09-13 10:07:25,423 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 [2024-09-13 10:07:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:07:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 10:07:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-09-13 10:07:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-09-13 10:07:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-09-13 10:07:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-09-13 10:07:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 10:07:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-09-13 10:07:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 10:07:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-09-13 10:07:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 10:07:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-09-13 10:07:25,556 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:25,559 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:25,907 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:25,958 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:25,960 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:07:25,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:25 BoogieIcfgContainer [2024-09-13 10:07:25,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:25,961 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:25,961 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:25,962 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:25,962 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:22" (1/4) ... [2024-09-13 10:07:25,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c08dd85 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:25, skipping insertion in model container [2024-09-13 10:07:25,963 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:24" (2/4) ... [2024-09-13 10:07:25,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c08dd85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:25, skipping insertion in model container [2024-09-13 10:07:25,964 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:25" (3/4) ... [2024-09-13 10:07:25,965 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c08dd85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:25, skipping insertion in model container [2024-09-13 10:07:25,967 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:25" (4/4) ... [2024-09-13 10:07:25,968 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-09-13 10:07:25,972 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:07:25,973 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 10:07:25,973 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-09-13 10:07:25,973 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:25,973 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 10:07:25,973 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 10:07:25,973 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-09-13 10:07:25,974 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-09-13 10:07:25,974 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 10:07:25,974 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-09-13 10:07:25,974 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-09-13 10:07:25,974 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:07:25,975 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-09-13 10:07:25,975 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-09-13 10:07:25,976 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:07:26,029 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-13 10:07:26,030 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:26,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:26,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:26,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:26,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:26,051 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-13 10:07:26,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:26,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:26,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:26,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:26,059 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:26,127 INFO L314 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-09-13 10:07:26,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:26,128 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:26,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:26,128 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:26,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:26,334 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-09-13 10:07:26,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:26,335 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:26,335 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:26,336 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:26,372 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 10:07:26,373 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 10:07:26,379 INFO L158 Benchmark]: Toolchain (without parser) took 1469.15ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 45.5MB in the beginning and 69.7MB in the end (delta: -24.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:26,380 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:26,380 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:26,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.63ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 48.6MB in the end (delta: -3.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-09-13 10:07:26,382 INFO L158 Benchmark]: Boogie Preprocessor took 87.16ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 45.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:07:26,382 INFO L158 Benchmark]: RCFGBuilder took 577.24ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 44.8MB in the end (delta: 638.8kB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-09-13 10:07:26,383 INFO L158 Benchmark]: Referee took 416.66ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.8MB in the beginning and 69.7MB in the end (delta: -25.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-09-13 10:07:26,387 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 0.11ms. Allocated memory is still 52.4MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.63ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 48.6MB in the end (delta: -3.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.16ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 45.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 577.24ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 44.8MB in the end (delta: 638.8kB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Referee took 416.66ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 44.8MB in the beginning and 69.7MB in the end (delta: -25.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:26,417 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...