This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:46:32,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:32,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:46:32,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:32,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:32,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:32,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:32,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:32,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:32,751 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:32,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:32,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:32,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:32,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:32,755 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:32,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:32,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:32,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:32,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:46:32,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:32,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:32,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:32,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:32,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:32,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:32,758 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:32,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:32,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:32,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:32,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:32,759 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:32,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:32,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:32,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:32,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:32,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:32,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:32,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:46:32,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:46:32,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:32,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:32,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:32,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:32,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:33,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:33,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:33,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:33,040 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:33,040 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:33,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/eq1.yml/witness-2.1.yml [2024-09-25 11:46:33,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:33,095 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:33,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invariants/eq1.c [2024-09-25 11:46:34,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:34,675 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:34,676 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/eq1.c [2024-09-25 11:46:34,681 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dcd433833/d412cc15664e4064927b737a96a2adaf/FLAG623a54911 [2024-09-25 11:46:34,692 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dcd433833/d412cc15664e4064927b737a96a2adaf [2024-09-25 11:46:34,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:34,693 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:34,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:34,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:34,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:34,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:33" (1/2) ... [2024-09-25 11:46:34,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c5319f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:34, skipping insertion in model container [2024-09-25 11:46:34,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:33" (1/2) ... [2024-09-25 11:46:34,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cd80d10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:34, skipping insertion in model container [2024-09-25 11:46:34,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:34" (2/2) ... [2024-09-25 11:46:34,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c5319f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34, skipping insertion in model container [2024-09-25 11:46:34,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:34" (2/2) ... [2024-09-25 11:46:34,708 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:34,709 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((z == y) && (x == w)) [2024-09-25 11:46:34,709 INFO L1541 ArrayList]: Function contract at [L12]: requires (cond != 0), ensures (cond != 0) [2024-09-25 11:46:34,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:34,880 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/eq1.c[593,606] [2024-09-25 11:46:34,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:34,916 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:46:34,953 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/eq1.c[593,606] Start Parsing Local [2024-09-25 11:46:34,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:34,980 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:34,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34 WrapperNode [2024-09-25 11:46:34,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:34,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:34,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:34,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:34,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:34,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:35,002 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:35,012 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 [2024-09-25 11:46:35,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:35,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:35,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:35,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:35,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:35,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:35,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:35,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:35,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:35,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:35,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (1/1) ... [2024-09-25 11:46:35,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:35,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:35,049 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) [2024-09-25 11:46:35,054 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 [2024-09-25 11:46:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:46:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:46:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:46:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:46:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:46:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:35,151 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:35,153 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:35,246 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:46:35,257 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:35,292 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:35,292 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:46:35,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:35 BoogieIcfgContainer [2024-09-25 11:46:35,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:35,294 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:35,295 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:35,295 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:35,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:46:33" (1/4) ... [2024-09-25 11:46:35,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@554028ca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:35, skipping insertion in model container [2024-09-25 11:46:35,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:34" (2/4) ... [2024-09-25 11:46:35,298 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@554028ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:35, skipping insertion in model container [2024-09-25 11:46:35,298 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:34" (3/4) ... [2024-09-25 11:46:35,298 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@554028ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:35, skipping insertion in model container [2024-09-25 11:46:35,298 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:35" (4/4) ... [2024-09-25 11:46:35,300 INFO L79 RefereeObserver]: Analyzing ICFG eq1.c [2024-09-25 11:46:35,304 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:46:35,305 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:46:35,305 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:46:35,305 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:46:35,306 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:46:35,306 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:46:35,307 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-25 11:46:35,367 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:35,369 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,369 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,370 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,403 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:46:35,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,405 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,405 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,406 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,435 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:46:35,457 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:46:35,457 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,457 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,459 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:46:35,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,460 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,460 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,460 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,460 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,466 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:35,482 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 11:46:35,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,485 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,485 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,509 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-25 11:46:35,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,512 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,512 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,512 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,549 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:35,561 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:35,561 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,561 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,562 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,562 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,566 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:46:35,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,567 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,568 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:46:35,575 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:35,577 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:35,577 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:35,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:35,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:35,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,579 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:35,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:35,580 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:35,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:35,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:35,582 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:35,583 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:46:35,590 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:46:35,590 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@554028ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:46:35, skipping insertion in model container [2024-09-25 11:46:35,590 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:46:35,592 INFO L158 Benchmark]: Toolchain (without parser) took 898.07ms. Allocated memory is still 176.2MB. Free memory was 118.5MB in the beginning and 73.5MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-25 11:46:35,592 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:35,592 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:35,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.90ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 105.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:46:35,594 INFO L158 Benchmark]: Boogie Preprocessor took 39.00ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 103.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:35,595 INFO L158 Benchmark]: RCFGBuilder took 272.36ms. Allocated memory is still 176.2MB. Free memory was 103.3MB in the beginning and 90.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:46:35,596 INFO L158 Benchmark]: Referee took 295.83ms. Allocated memory is still 176.2MB. Free memory was 90.8MB in the beginning and 73.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:46:35,598 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 23 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. 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 23 to loop head at line 23. 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 14. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 176.2MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.90ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 105.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.00ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 103.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.36ms. Allocated memory is still 176.2MB. Free memory was 103.3MB in the beginning and 90.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 295.83ms. Allocated memory is still 176.2MB. Free memory was 90.8MB in the beginning and 73.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:46:35,659 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...