This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:24,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:24,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:24,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:24,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:24,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:24,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:24,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:24,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:24,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:24,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:24,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:24,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:24,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:24,695 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:24,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:24,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:24,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:24,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:24,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:24,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:24,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:24,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:24,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:24,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:24,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:24,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:24,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:24,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:24,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:24,704 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:24,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:24,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:24,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:24,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:24,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:24,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:24,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:24,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:24,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:24,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:24,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:24,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:24,709 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:24,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:24,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:24,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:24,970 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:24,971 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:24,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark19_conjunctive.yml/witness-2.1.yml [2024-09-13 10:08:25,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:25,028 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:25,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-09-13 10:08:26,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:26,596 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:26,597 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i [2024-09-13 10:08:26,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ff201f532/18ab665a96cc47f194db9687a18d22b9/FLAGf4d670aeb [2024-09-13 10:08:27,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ff201f532/18ab665a96cc47f194db9687a18d22b9 [2024-09-13 10:08:27,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:27,010 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:27,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:27,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:27,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:27,019 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 10:08:25" (1/2) ... [2024-09-13 10:08:27,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a73449 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:27, skipping insertion in model container [2024-09-13 10:08:27,020 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 10:08:25" (1/2) ... [2024-09-13 10:08:27,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@733a02c4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:27, skipping insertion in model container [2024-09-13 10:08:27,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:27" (2/2) ... [2024-09-13 10:08:27,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a73449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27, skipping insertion in model container [2024-09-13 10:08:27,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:27" (2/2) ... [2024-09-13 10:08:27,033 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:27,034 INFO L1541 ArrayList]: Loop invariant at [L24-L26] (((1 <= n) && (0 <= k)) && (k == j)) [2024-09-13 10:08:27,037 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:08:27,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:27,211 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark19_conjunctive.i[873,886] [2024-09-13 10:08:27,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:27,248 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:27,287 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-zilu/benchmark19_conjunctive.i[873,886] Start Parsing Local [2024-09-13 10:08:27,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:27,311 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:27,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27 WrapperNode [2024-09-13 10:08:27,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:27,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:27,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:27,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:27,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,348 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:08:27,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:27,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:27,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:27,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:27,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (1/1) ... [2024-09-13 10:08:27,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:27,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:27,404 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 10:08:27,407 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 10:08:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:08:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:08:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-13 10:08:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:27,531 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:27,533 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:27,657 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:27,668 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:27,687 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:27,687 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:27,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:27 BoogieIcfgContainer [2024-09-13 10:08:27,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:27,688 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:27,688 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:27,690 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:27,691 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 10:08:25" (1/4) ... [2024-09-13 10:08:27,691 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@153ca1eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:27, skipping insertion in model container [2024-09-13 10:08:27,691 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:27" (2/4) ... [2024-09-13 10:08:27,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@153ca1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:27, skipping insertion in model container [2024-09-13 10:08:27,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:27" (3/4) ... [2024-09-13 10:08:27,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@153ca1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:27, skipping insertion in model container [2024-09-13 10:08:27,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:27" (4/4) ... [2024-09-13 10:08:27,694 INFO L79 RefereeObserver]: Analyzing ICFG benchmark19_conjunctive.i [2024-09-13 10:08:27,696 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:27,697 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:27,697 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:08:27,697 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:08:27,698 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:27,698 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:27,698 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:08:27,735 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:08:27,736 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:27,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:27,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:27,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:27,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,757 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:08:27,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,759 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:27,759 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:27,760 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:27,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:27,778 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:27,793 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:27,794 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:27,794 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:27,795 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:27,795 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:27,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,805 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:27,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,806 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:27,806 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:27,806 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:27,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:27,812 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:27,819 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:27,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:27,820 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:27,820 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:27,820 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:27,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,825 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:27,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:27,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:27,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:27,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:27,829 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:27,840 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:27,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:27,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:27,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:27,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:27,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,847 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:27,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:27,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:27,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:27,851 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:27,854 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:27,861 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:27,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:27,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:27,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:27,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:27,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,864 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:27,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:27,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:27,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:27,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:27,865 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:27,868 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:27,871 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:27,871 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@153ca1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:27, skipping insertion in model container [2024-09-13 10:08:27,871 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:27,873 INFO L158 Benchmark]: Toolchain (without parser) took 862.59ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 78.6MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-13 10:08:27,874 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:27,874 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:27,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.13ms. Allocated memory is still 176.2MB. Free memory was 119.4MB in the beginning and 105.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:27,875 INFO L158 Benchmark]: Boogie Preprocessor took 56.07ms. Allocated memory is still 176.2MB. Free memory was 105.4MB in the beginning and 103.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:27,876 INFO L158 Benchmark]: RCFGBuilder took 318.02ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 91.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:08:27,876 INFO L158 Benchmark]: Referee took 183.27ms. Allocated memory is still 176.2MB. Free memory was 91.7MB in the beginning and 78.6MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:27,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 24. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 24 to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.13ms. Allocated memory is still 176.2MB. Free memory was 119.4MB in the beginning and 105.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.07ms. Allocated memory is still 176.2MB. Free memory was 105.4MB in the beginning and 103.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.02ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 91.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 183.27ms. Allocated memory is still 176.2MB. Free memory was 91.7MB in the beginning and 78.6MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:27,902 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...