This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:20,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:20,836 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:20,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:20,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:20,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:20,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:20,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:20,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:20,865 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:20,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:20,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:20,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:20,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:20,867 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:20,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:20,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:20,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:20,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:20,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:20,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:20,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:20,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:20,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:20,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:20,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:20,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:20,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:20,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:20,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:20,873 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:20,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:20,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:20,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:20,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:20,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:20,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:20,875 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:20,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:20,876 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:20,876 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:20,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:20,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:20,878 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:21,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:21,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:21,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:21,155 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:21,156 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:21,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_4-2.yml/witness-2.1.yml [2024-09-13 05:02:21,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:21,207 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:21,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2024-09-13 05:02:22,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:22,805 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:22,806 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2024-09-13 05:02:22,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ece224901/275bd0c9811a4ae984a6a8b73a078413/FLAG8e1b11a52 [2024-09-13 05:02:22,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ece224901/275bd0c9811a4ae984a6a8b73a078413 [2024-09-13 05:02:22,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:22,850 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:22,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:22,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:22,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:22,863 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 05:02:21" (1/2) ... [2024-09-13 05:02:22,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2bfb36 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:22, skipping insertion in model container [2024-09-13 05:02:22,864 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 05:02:21" (1/2) ... [2024-09-13 05:02:22,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ead0f6f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:22, skipping insertion in model container [2024-09-13 05:02:22,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:22" (2/2) ... [2024-09-13 05:02:22,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2bfb36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22, skipping insertion in model container [2024-09-13 05:02:22,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:22" (2/2) ... [2024-09-13 05:02:22,871 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:22,871 INFO L1541 ArrayList]: Function contract at [L5]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:02:22,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:23,035 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-acceleration/simple_4-2.c[322,335] [2024-09-13 05:02:23,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:23,064 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:02:23,102 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-acceleration/simple_4-2.c[322,335] [2024-09-13 05:02:23,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:23,125 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:23,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23 WrapperNode [2024-09-13 05:02:23,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:23,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:23,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:23,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:23,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,146 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,155 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 05:02:23,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:23,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:23,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:23,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:23,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (1/1) ... [2024-09-13 05:02:23,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:23,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:23,203 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 05:02:23,206 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 05:02:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:02:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:02:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:02:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:02:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:23,319 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:23,321 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:23,398 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:02:23,415 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:23,439 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:23,439 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:23,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:23 BoogieIcfgContainer [2024-09-13 05:02:23,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:23,441 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:23,441 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:23,442 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:23,442 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 05:02:21" (1/4) ... [2024-09-13 05:02:23,446 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44bfa769 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:23, skipping insertion in model container [2024-09-13 05:02:23,446 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:22" (2/4) ... [2024-09-13 05:02:23,446 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44bfa769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:23, skipping insertion in model container [2024-09-13 05:02:23,447 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:23" (3/4) ... [2024-09-13 05:02:23,448 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44bfa769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:23, skipping insertion in model container [2024-09-13 05:02:23,448 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:23" (4/4) ... [2024-09-13 05:02:23,449 INFO L79 RefereeObserver]: Analyzing ICFG simple_4-2.c [2024-09-13 05:02:23,454 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:23,455 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L15-2 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:02:23,456 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 05:02:23,456 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 05:02:23,456 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-13 05:02:23,487 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 3 edges [2024-09-13 05:02:23,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:23,488 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:23,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:23,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:23,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,502 INFO L101 BaseMinimizeStates]: Removed 3 edges and 1 locations by large block encoding [2024-09-13 05:02:23,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,504 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:23,504 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:23,505 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:23,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:23,536 INFO L514 InvariantChecker]: The annotation(s) from loop head L15-2 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:02:23,549 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:23,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:23,551 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:23,551 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:23,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:23,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,561 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:23,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:23,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:23,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:23,566 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:23,574 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:02:23,586 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:23,588 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:23,588 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:23,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:23,589 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:23,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,591 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:23,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,595 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:23,596 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:23,596 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:23,596 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:23,600 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:02:23,604 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:02:23,606 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44bfa769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:02:23, skipping insertion in model container [2024-09-13 05:02:23,606 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:02:23,608 INFO L158 Benchmark]: Toolchain (without parser) took 757.11ms. Allocated memory is still 169.9MB. Free memory was 141.6MB in the beginning and 107.8MB in the end (delta: 33.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-13 05:02:23,609 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:23,610 INFO L158 Benchmark]: CDTParser took 2.22ms. Allocated memory is still 169.9MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:23,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.57ms. Allocated memory is still 169.9MB. Free memory was 141.3MB in the beginning and 128.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:02:23,611 INFO L158 Benchmark]: Boogie Preprocessor took 42.20ms. Allocated memory is still 169.9MB. Free memory was 128.8MB in the beginning and 126.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:02:23,613 INFO L158 Benchmark]: RCFGBuilder took 270.26ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 116.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:02:23,613 INFO L158 Benchmark]: Referee took 165.72ms. Allocated memory is still 169.9MB. Free memory was 116.2MB in the beginning and 107.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:02:23,616 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. Annotation is valid for all loop-free paths from loop head at line 15 to check that procedure precondition always holds at line 15. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 2.22ms. Allocated memory is still 169.9MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.57ms. Allocated memory is still 169.9MB. Free memory was 141.3MB in the beginning and 128.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.20ms. Allocated memory is still 169.9MB. Free memory was 128.8MB in the beginning and 126.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 270.26ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 116.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 165.72ms. Allocated memory is still 169.9MB. Free memory was 116.2MB in the beginning and 107.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:23,648 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...