This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:45,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:45,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:45,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:45,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:45,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:45,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:45,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:45,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:45,962 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:45,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:45,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:45,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:45,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:45,964 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:45,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:45,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:45,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:45,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:45,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:45,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:45,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:45,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:45,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:45,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:45,968 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:45,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:45,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:45,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:45,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:45,970 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:45,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:45,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:45,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:45,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:45,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:45,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:45,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:45,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:45,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:45,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:45,973 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:45,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:45,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:46,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:46,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:46,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:46,294 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:46,296 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:46,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound10.yml/witness-2.1.yml [2024-09-21 12:48:46,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:46,364 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:46,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2024-09-21 12:48:47,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:48,024 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:48,026 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2024-09-21 12:48:48,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cf03816e5/c334e90746fa4360999fc64584c73011/FLAG516f5eadf [2024-09-21 12:48:48,047 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cf03816e5/c334e90746fa4360999fc64584c73011 [2024-09-21 12:48:48,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:48,048 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:48,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:48,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:48,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:48,056 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 12:48:46" (1/2) ... [2024-09-21 12:48:48,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f8cdc1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:48, skipping insertion in model container [2024-09-21 12:48:48,057 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 12:48:46" (1/2) ... [2024-09-21 12:48:48,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a75d54a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:48, skipping insertion in model container [2024-09-21 12:48:48,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:48" (2/2) ... [2024-09-21 12:48:48,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f8cdc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48, skipping insertion in model container [2024-09-21 12:48:48,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:48" (2/2) ... [2024-09-21 12:48:48,069 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:48,071 INFO L1541 ArrayList]: Loop invariant at [L46-L58] (((((1 <= r) && (((((__int128) q * y) + r) + ((__int128) a * y)) == ((__int128) b + x))) && (\old(counter) == 0)) && (1 <= y)) && (b == ((__int128) a * y))) [2024-09-21 12:48:48,071 INFO L1541 ArrayList]: Loop invariant at [L37-L61] ((((((((__int128) q * y) + r) + ((__int128) a * y)) == ((__int128) b + x)) && (\old(counter) == 0)) && (1 <= y)) && (b == ((__int128) a * y))) [2024-09-21 12:48:48,071 INFO L1541 ArrayList]: Function contract at [L11]: requires (counter == 0), ensures ((cond != 0) && (counter == 0)) [2024-09-21 12:48:48,071 INFO L1541 ArrayList]: Function contract at [L23]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:48:48,071 INFO L1541 ArrayList]: Function contract at [L14]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:48:48,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:48,273 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/cohendiv-ll_unwindbound10.c[576,589] [2024-09-21 12:48:48,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:48,314 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:48:48,358 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/cohendiv-ll_unwindbound10.c[576,589] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 12:48:48,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:48,396 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:48,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48 WrapperNode [2024-09-21 12:48:48,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:48,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:48,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:48,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:48,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,422 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,437 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:48:48,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:48,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:48,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:48,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:48,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (1/1) ... [2024-09-21 12:48:48,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:48,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:48,505 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 12:48:48,509 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 12:48:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:48:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:48,635 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:48,640 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:48,667 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:48,732 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:48,954 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:48,973 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:49,011 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:49,012 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:48:49,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:49 BoogieIcfgContainer [2024-09-21 12:48:49,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:49,014 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:49,015 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:49,016 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:49,017 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 12:48:46" (1/4) ... [2024-09-21 12:48:49,018 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c1d00fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:49, skipping insertion in model container [2024-09-21 12:48:49,018 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:48" (2/4) ... [2024-09-21 12:48:49,018 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c1d00fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:49, skipping insertion in model container [2024-09-21 12:48:49,018 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:48" (3/4) ... [2024-09-21 12:48:49,019 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c1d00fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:49, skipping insertion in model container [2024-09-21 12:48:49,019 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:49" (4/4) ... [2024-09-21 12:48:49,020 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_unwindbound10.c [2024-09-21 12:48:49,024 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:48:49,025 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 12:48:49,025 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:49,025 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 12:48:49,025 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:48:49,026 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:49,026 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 12:48:49,026 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:48:49,026 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-21 12:48:49,027 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:48:49,027 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:49,027 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:49,028 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:49,028 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:48:49,029 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 12:48:49,029 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr10ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 12:48:49,029 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 12:48:49,029 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:49,030 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from procedure entry to error location [2024-09-21 12:48:49,096 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:48:49,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,099 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,113 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:48:49,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,115 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,120 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,138 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 12:48:49,165 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:48:49,165 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,183 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:48:49,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,184 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,188 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:49,207 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 12:48:49,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,208 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,208 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,225 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-21 12:48:49,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,226 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,226 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,226 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,235 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:49,250 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 12:48:49,252 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,252 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,252 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,252 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,267 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 12:48:49,269 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,269 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,269 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,270 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,270 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,273 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:49,284 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:48:49,284 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,285 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,285 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,285 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,288 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:48:49,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,289 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,289 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,292 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:49,302 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:48:49,303 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,303 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,303 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,311 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:48:49,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,312 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,312 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,315 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:49,325 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:48:49,325 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,325 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,326 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,326 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,331 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:48:49,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,331 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,332 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,332 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,332 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,335 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:49,346 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 12:48:49,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,347 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,367 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-21 12:48:49,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,371 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,375 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:49,385 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:48:49,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,385 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,387 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:48:49,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,389 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:49,398 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:48:49,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,405 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:48:49,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,406 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,406 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,406 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,406 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,408 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:49,417 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:49,417 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,417 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,417 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,419 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:49,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,419 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,419 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,419 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,421 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:49,429 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:48:49,429 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,430 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,430 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,430 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,442 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:48:49,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,443 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,444 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,447 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:49,462 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:48:49,462 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,462 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,463 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,463 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,486 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:48:49,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,487 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,487 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,487 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,491 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:49,504 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:49,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,505 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,507 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:49,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,510 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:49,537 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 12:48:49,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,538 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,538 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,557 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-21 12:48:49,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,558 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,559 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,560 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr10ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:49,568 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:49,568 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,569 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,569 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,570 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:49,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,570 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,570 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,571 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,571 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,572 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:49,581 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:48:49,581 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:49,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:49,582 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:49,582 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:49,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,586 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:48:49,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:49,587 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:49,587 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:49,587 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:49,588 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:49,590 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:49,593 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:48:49,594 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c1d00fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:48:49, skipping insertion in model container [2024-09-21 12:48:49,594 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:48:49,595 INFO L158 Benchmark]: Toolchain (without parser) took 1546.38ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 108.6MB in the end (delta: 4.5MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-09-21 12:48:49,596 INFO L158 Benchmark]: Witness Parser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:49,596 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 117.4MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:49,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.95ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 98.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:48:49,597 INFO L158 Benchmark]: Boogie Preprocessor took 70.96ms. Allocated memory is still 151.0MB. Free memory was 98.9MB in the beginning and 96.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:49,597 INFO L158 Benchmark]: RCFGBuilder took 543.91ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 115.0MB in the end (delta: -18.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:49,598 INFO L158 Benchmark]: Referee took 579.42ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 108.6MB in the end (delta: 6.4MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-09-21 12:48:49,600 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 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 loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. 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 loop head at line 37 to check that procedure precondition always holds at line 38. 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 46 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 48. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 117.4MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.95ms. Allocated memory is still 151.0MB. Free memory was 113.0MB in the beginning and 98.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.96ms. Allocated memory is still 151.0MB. Free memory was 98.9MB in the beginning and 96.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.91ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 115.0MB in the end (delta: -18.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 579.42ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 108.6MB in the end (delta: 6.4MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:48:49,635 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...