This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:10:55,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:55,930 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:10:55,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:55,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:55,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:55,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:55,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:55,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:55,964 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:55,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:55,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:55,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:55,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:55,969 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:55,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:55,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:55,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:55,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:10:55,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:55,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:55,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:55,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:55,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:55,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:55,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:55,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:55,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:55,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:55,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:55,977 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:55,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:55,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:55,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:55,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:55,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:55,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:55,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:10:55,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:10:55,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:55,981 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:55,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:55,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:55,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:56,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:56,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:56,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:56,264 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:56,264 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:56,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound20.yml/output/witness-2.1.yml [2024-09-21 19:10:56,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:56,330 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:56,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2024-09-21 19:10:57,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:58,014 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:58,014 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2024-09-21 19:10:58,021 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0e7c9599b/4a55661b8af4447195f4ac3450639ce7/FLAG775c6afc3 [2024-09-21 19:10:58,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0e7c9599b/4a55661b8af4447195f4ac3450639ce7 [2024-09-21 19:10:58,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:58,036 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:58,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:58,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:58,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:58,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:56" (1/2) ... [2024-09-21 19:10:58,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8d12ee and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:58, skipping insertion in model container [2024-09-21 19:10:58,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:56" (1/2) ... [2024-09-21 19:10:58,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ea89236 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:58, skipping insertion in model container [2024-09-21 19:10:58,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:58" (2/2) ... [2024-09-21 19:10:58,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8d12ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58, skipping insertion in model container [2024-09-21 19:10:58,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:58" (2/2) ... [2024-09-21 19:10:58,057 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:58,058 INFO L1541 ArrayList]: Loop invariant at [L34-L55] 1 [2024-09-21 19:10:58,058 INFO L1541 ArrayList]: Function contract at [L5]: requires 1, ensures 1 [2024-09-21 19:10:58,059 INFO L1541 ArrayList]: Function contract at [L8]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:58,059 INFO L1541 ArrayList]: Function contract at [L11]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:58,059 INFO L1541 ArrayList]: Function contract at [L19]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:58,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:58,231 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/nla-digbench-scaling/prod4br-ll_valuebound20.c[524,537] [2024-09-21 19:10:58,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:58,259 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:10:58,295 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/nla-digbench-scaling/prod4br-ll_valuebound20.c[524,537] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:10:58,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:58,329 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:10:58,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58 WrapperNode [2024-09-21 19:10:58,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:58,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:10:58,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:10:58,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:10:58,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,378 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:10:58,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:10:58,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:10:58,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:10:58,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:10:58,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (1/1) ... [2024-09-21 19:10:58,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:58,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:10:58,437 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) [2024-09-21 19:10:58,440 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 [2024-09-21 19:10:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:10:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:10:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:10:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:10:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:10:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:10:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:10:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:10:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:10:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:10:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:10:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:10:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:10:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:10:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:10:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:10:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:10:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:10:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:10:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:10:58,565 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:10:58,570 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:10:58,575 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:58,596 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:58,619 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:58,776 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:58,790 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:10:58,827 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:10:58,830 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:10:58,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:58 BoogieIcfgContainer [2024-09-21 19:10:58,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:10:58,832 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:10:58,832 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:10:58,833 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:10:58,833 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:56" (1/4) ... [2024-09-21 19:10:58,833 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dafdc0e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:58, skipping insertion in model container [2024-09-21 19:10:58,833 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:10:58" (2/4) ... [2024-09-21 19:10:58,834 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dafdc0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:58, skipping insertion in model container [2024-09-21 19:10:58,834 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:58" (3/4) ... [2024-09-21 19:10:58,834 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dafdc0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:58, skipping insertion in model container [2024-09-21 19:10:58,836 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:58" (4/4) ... [2024-09-21 19:10:58,837 INFO L79 RefereeObserver]: Analyzing ICFG prod4br-ll_valuebound20.c [2024-09-21 19:10:58,842 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:10:58,843 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:58,873 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:10:58,874 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:58,874 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 19:10:58,874 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-21 19:10:58,874 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:10:58,874 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:58,874 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:10:58,875 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:58,875 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:10:58,875 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:10:58,875 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:58,875 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:10:58,875 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:10:58,876 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, 8 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location [2024-09-21 19:10:58,977 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:10:58,979 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:58,980 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:58,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:58,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:58,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:58,996 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:10:58,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:58,999 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:58,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,004 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,021 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:59,048 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 19:10:59,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,054 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:10:59,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,056 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,057 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,057 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,058 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,060 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:59,082 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:10:59,083 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,083 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,083 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,087 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:10:59,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,089 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,089 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,090 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,091 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:59,109 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 19:10:59,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,110 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,110 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,118 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 19:10:59,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,119 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,119 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,120 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,120 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,122 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:10:59,139 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-09-21 19:10:59,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,142 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,142 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,159 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-21 19:10:59,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,166 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:10:59,179 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:59,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,180 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,181 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:59,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,181 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,182 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,182 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,183 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:59,191 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:59,192 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,193 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,194 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:59,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,195 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,195 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,196 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,196 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,198 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:59,209 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:10:59,210 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,210 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,210 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,213 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:10:59,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,213 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,213 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,213 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,214 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,215 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:59,223 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:59,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,225 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:59,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,225 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,226 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,227 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:59,240 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 19:10:59,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,241 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,241 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,244 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-09-21 19:10:59,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,245 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,245 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,245 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,247 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:59,255 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 19:10:59,255 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,256 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,256 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,256 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,258 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-21 19:10:59,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,261 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:59,270 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:59,271 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,271 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,271 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,271 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,273 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:59,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,275 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:59,283 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:10:59,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,283 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,284 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,285 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:10:59,286 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,286 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,286 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,287 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,288 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:59,295 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:59,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:59,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:59,296 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:59,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:59,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,297 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:59,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:59,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:59,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:59,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:59,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:59,315 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:10:59,316 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dafdc0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:10:59, skipping insertion in model container [2024-09-21 19:10:59,316 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:10:59,318 INFO L158 Benchmark]: Toolchain (without parser) took 1281.33ms. Allocated memory is still 161.5MB. Free memory was 102.5MB in the beginning and 88.8MB in the end (delta: 13.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-21 19:10:59,318 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:59,319 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:59,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.55ms. Allocated memory is still 161.5MB. Free memory was 102.5MB in the beginning and 88.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:10:59,320 INFO L158 Benchmark]: Boogie Preprocessor took 70.43ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 86.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:10:59,320 INFO L158 Benchmark]: RCFGBuilder took 429.27ms. Allocated memory is still 161.5MB. Free memory was 86.2MB in the beginning and 71.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:10:59,321 INFO L158 Benchmark]: Referee took 484.75ms. Allocated memory is still 161.5MB. Free memory was 71.9MB in the beginning and 88.8MB in the end (delta: -16.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 19:10:59,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. 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 entry of procedure main to check that procedure precondition always holds at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.55ms. Allocated memory is still 161.5MB. Free memory was 102.5MB in the beginning and 88.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.43ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 86.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.27ms. Allocated memory is still 161.5MB. Free memory was 86.2MB in the beginning and 71.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 484.75ms. Allocated memory is still 161.5MB. Free memory was 71.9MB in the beginning and 88.8MB in the end (delta: -16.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:10:59,347 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...